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Stockholder's Equity - Additional Information (Detail)
 3 Months Ended 9 Months Ended
May 09, 2022
$ / shares
shares
Sep. 30, 2022
USD ($)
NUMBER
$ / shares
shares
Sep. 30, 2022
USD ($)
NUMBER
$ / shares
shares
Dec. 31, 2021
$ / shares
shares
Sep. 30, 2021
shares
Class of Stock [Line Items]          
Preferred stock, shares authorized   100,000,000 100,000,000    
Preferred stock shares issued   0 0 0  
Preferred stock, shares outstanding   0 0 0  
Common stock, par value | $ / shares   $ 0.001 $ 0.001 $ 0.001  
Common stock, shares authorized   1,000,000,000 1,000,000,000 1,000,000,000  
Common stock, shares issued   266,371,485 266,371,485 220,000,000 220,000,000
Common stock, shares outstanding   266,371,485 266,371,485 220,000,000 220,000,000
Common stock, voting rights     one vote per share    
Dividends on common stock | $     $ 0    
Common stock reserved for future issuance   9,100,000 9,100,000    
Common Stock [Member]          
Class of Stock [Line Items]          
Stock issued during period for warrants exercised, shares   800,000      
Public Warrants [Member]          
Class of Stock [Line Items]          
Class of warrant or right redemption threshold consecutive trading days     20 days    
Term of warrants   5 years 5 years    
Class of warrants redemption price per unit | $ / shares   $ 0.01 $ 0.01    
Number of securities called by each warrant   1 1    
Exercise price of warrants | $ / shares   $ 11.5 $ 11.5    
Class of warrant or right redemption threshold consecutive days from date of closing of business combination     30 days    
Class of warrants, Convertible, Stock Price Trigger | $ / shares     $ 18    
Class of warrant or right redemption threshold trading days     30 days    
Class of warrant or right, date from which warrants or rights exercisable     Jun. 08, 2022    
Strategic Warrants One [Member] | Strategic Penny Warrants [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares   0.01 $ 0.01    
Strategic Warrants One [Member] | Common Stock [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares   $ 0.01 $ 0.01    
Warrants exercisable to purchase common stock   24,095,072 24,095,072    
Strategic Warrants Two [Member] | Strategic Market Warrants [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares $ 15 $ 15 $ 15    
Strategic Warrants Two [Member] | Common Stock [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares   $ 15 $ 15    
Warrants exercisable to purchase common stock   12,000,000 12,000,000    
Strategic Warrants Three [Member] | Strategic Market Warrants [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares   $ 11.5 $ 11.5    
Strategic Warrants Three [Member] | Common Stock [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares   $ 11.5 $ 11.5    
Warrants exercisable to purchase common stock   5,000,000 5,000,000    
Strategic Warrants [Member]          
Class of Stock [Line Items]          
Number of electrical vertical take-off and landing for receipt of binding commitments | NUMBER     500    
Number of electrical vertical take-off and landing for purchase commitments | NUMBER     200    
Number of vertiports | NUMBER     10    
Strategic Warrants [Member] | Strategic Penny Warrants [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares   $ 0.01 $ 0.01    
Strategic Warrants [Member] | Common Stock [Member]          
Class of Stock [Line Items]          
Common stock, shares issued   26,550,000 26,550,000    
Stock issued during period for warrants exercised, shares 800,000        
Warrant [Member] | Common Stock [Member] | Lock Up Agreement [Member]          
Class of Stock [Line Items]          
Number of shares to be acquired six months after closing date of agreement with respect to first warrant   680,634 680,634    
Number of shares to be acquired nine months after closing date of agreement with respect to warrant   1,361,268 1,361,268    
Number of shares to be acquired twelve months after closing date of agreement with respect to second warrant   680,634 680,634    
Minimum [Member] | Strategic Warrants [Member] | Strategic Market Warrants [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares   $ 11.5 $ 11.5    
Maximum [Member] | Strategic Warrants [Member] | Strategic Market Warrants [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares   15 15    
United Airlines Ventures Ltd [Member] | Common Stock [Member] | United Subscription Agreement [Member]          
Class of Stock [Line Items]          
Share price | $ / shares   $ 7.36 $ 7.36    
Common stock reserved for future issuance   2,039,353 2,039,353    
Aggregate purchase price of stock | $   $ 15,000,000 $ 15,000,000    
United Airlines Ventures Ltd [Member] | Warrant [Member] | Common Stock [Member] | Conditional Purchase Agreement [Member]          
Class of Stock [Line Items]          
Stock issued for warrants exercisable   2,722,536 2,722,536    
Exercise price of warrants | $ / shares   $ 0.01 $ 0.01    
Number of electrical vertical take-off and landing | NUMBER   400 400    
United Airlines Ventures Ltd [Member] | Warrant [Member] | Common Stock [Member] | Binding Agreement [Member]          
Class of Stock [Line Items]          
Exercise price of warrants | $ / shares   $ 0.01 $ 0.01    
Warrants exercisable to purchase common stock   2,722,536 2,722,536    
Number of electrical vertical take-off and landing | NUMBER   200 200