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Redeemable Convertible Preferred Stock - Additional Information (Details) - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Jul. 31, 2021
Jul. 01, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Jun. 18, 2020
Jun. 17, 2020
Temporary Equity [Line Items]                    
Temporary equity, shares issued   37,107,459                
Temporary equity, shares authorized   37,710,624                
Additional common stock issued to holders of redeemable convertible preferred stock   39,474,330                
Cash dividend declared or paid   $ 0                
Preferred Shares Outstanding 0 37,107,459                
Minimum                    
Temporary Equity [Line Items]                    
Proceeds from underwritten public offering net of underwriting discount and commissions $ 75,000,000.0                  
Series A Redeemable Convertible Preferred Share                    
Temporary Equity [Line Items]                    
Temporary equity, shares issued 0 6,289,609                
Temporary equity, shares authorized 0 6,289,609                
Additional common stock issued to holders of redeemable convertible preferred stock   6,407,256                
Non-cumulative Dividends per share entitled to receive $ 0.073744                  
Preferred Shares Outstanding 0 6,289,609 6,289,609     6,289,609 6,289,609 6,289,609    
Series B Redeemable Convertible Preferred Shares                    
Temporary Equity [Line Items]                    
Temporary equity, shares issued 0 14,496,835                
Temporary equity, shares authorized 0 15,100,000                
Additional common stock issued to holders of redeemable convertible preferred stock   16,746,059                
Percentage of non-cumulative dividends entitled to receive 6.00%                  
Preferred Shares Outstanding 0 14,496,835 14,496,835     14,496,835 14,496,835 14,496,835    
Series C-1 Redeemable Convertible Preferred Shares                    
Temporary Equity [Line Items]                    
Temporary equity, shares issued 0 13,150,430   13,150,430            
Temporary equity issue price per share $ 10.265809                  
Temporary equity, shares authorized 0 13,150,430     13,150,430          
Additional common stock issued to holders of redeemable convertible preferred stock   13,150,430                
Preferred Shares Outstanding 0 13,150,430 13,150,430              
Series C-2 Redeemable Convertible Preferred Shares                    
Temporary Equity [Line Items]                    
Temporary equity, shares issued 0 3,170,585                
Temporary equity issue price per share $ 8.725938                  
Temporary equity, shares authorized 0 3,170,585     3,170,585          
Additional common stock issued to holders of redeemable convertible preferred stock   3,170,585                
Preferred Shares Outstanding 0 3,170,585 3,170,585              
2021 Notes | Series C-2 Redeemable Convertible Preferred Shares                    
Temporary Equity [Line Items]                    
Temporary equity, shares issued       3,170,585            
Notes including accrued interest       $ 27,700,000            
2017 Notes | Series A Redeemable Convertible Preferred Share                    
Temporary Equity [Line Items]                    
Temporary equity conversion price per share                 $ 1.2065 $ 1.229073
Additional common stock issued to holders of redeemable convertible preferred stock                 117,650  
2017 Notes | Series B Redeemable Convertible Preferred Shares                    
Temporary Equity [Line Items]                    
Temporary equity conversion price per share       $ 14.6942   $ 16.974077        
Additional common stock issued to holders of redeemable convertible preferred stock       2,249,224