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Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2022
Jun. 30, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock options outstanding (in shares) 5,610,893   5,610,893 3,835,618    
Weighted average grant date fair value of options granted (in dollars per share)     $ 3.79 $ 1.93    
Options, exercises in period, intrinsic value     $ 0.6 $ 0.1    
Option, cost not yet recognized, amount $ 8.9   $ 8.9      
Stock Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expected dividend yield     0.00% 0.00% 0.00%  
Weighted average period of recognition     2 years 7 months 6 days      
Stock Options | Granted after December 31, 2017            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period     48 months      
Cliff period     1 year      
Contractual term     10 years      
Stock Options | Granted prior to December 31, 2017            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Contractual term     10 years      
Employee Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of outstanding stock maximum   1.00%        
Common stock, capital shares reserved for future issuance (in shares)   375,000        
Number of shares authorized (in shares) 779,732   779,732      
Shares of common stock outstanding maximum (in shares)   800,000        
Shares issued in period (in shares) 0          
Common Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Fair value of a share (in dollars per share)   $ 16.00     $ 0.83  
Minimum | Stock Options | Granted after December 31, 2017            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period     12 months      
Minimum | Stock Options | Granted prior to December 31, 2017            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period     3 months      
Maximum | Stock Options | Granted after December 31, 2017            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period     36 months      
Maximum | Stock Options | Granted prior to December 31, 2017            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period     24 months      
2013 Equity Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock options outstanding (in shares) 3,326,220   3,326,220      
2013 Equity Incentive Plan | Common Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares available for future grant (in shares)   667,104        
2021 Equity Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common stock, capital shares reserved for future issuance (in shares)           2,023,663
Maximum threshold common stock issuable on exercise of incentive stock options (in shares)   12,000,000        
2021 Equity Incentive Plan | Common Stock, New Shares            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares available for future grant (in shares)   3,550,000        
2021 Equity Incentive Plan | Common Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares available for future grant (in shares) 3,976,237 7,698,282 3,976,237      
Percentage of outstanding stock maximum   5.00%        
Number of shares authorized (in shares) 9,721,945   9,721,945