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Equity Incentive Plans - Additional Information (Detail)
1 Months Ended 12 Months Ended
May 27, 2021
shares
Jul. 31, 2023
USD ($)
Days
$ / shares
Jun. 30, 2023
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
May 31, 2014
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Securities remaining available for future issuance | shares       3,000,000      
Stock options granted (in shares) | shares       0 0 0  
Employee Stock Option              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Stock options granted (in shares) | shares       0 0 0  
Share-based compensation expenses | $       $ 0 $ 0 $ 0  
Employee Stock Option | Minimum              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Vesting period       1 year      
Employee Stock Option | Maximum              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Vesting period       4 years      
Restricted Stock Units              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Performance-based restricted stock and restricted stock units, eliminated minimum vesting period under amended 2004 plan       3 years      
Initial one-time award granted | shares       4,869,000 3,555,000 3,200,000  
Share-based compensation expenses | $       $ 23,000,000 $ 20,000,000 $ 9,600,000  
Total unrecognized compensation expense related to grants of restricted stock units | $       $ 17,000,000      
Weighted average period for unrecognized compensation expense related to grants of stock options       1 year 9 months 18 days      
Fair value of shares | $       $ 14,000,000.0 $ 18,100,000 $ 8,700,000  
Granted, weighted average grant date fair value       $ 6.06 $ 5.43 $ 6.49  
Performance Stock Units              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | shares       1,000,000      
Initial one-time award granted | shares       1,000,000      
Share-based compensation expenses | $       $ 700,000      
Total unrecognized compensation expense related to grants of restricted stock units | $       $ 2,600,000      
Weighted average period for unrecognized compensation expense related to grants of stock options       2 years 7 months 6 days      
Performance period commencing date   Jul. 01, 2023          
Performance period ending date   Jul. 01, 2028          
Number of consecutive trading days | Days   30          
Granted, weighted average grant date fair value       $ 3.29      
Allocated percentage       20.00%      
Percentage of performance measurement       100.00%      
Share price       $ 4.39      
Performance Stock Units | Tranche One              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Fair value of shares | $   $ 800,000          
Granted, weighted average grant date fair value   $ 3.98          
Share price   $ 5.75          
Performance Stock Units | Tranche Two              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Fair value of shares | $   $ 700,000          
Granted, weighted average grant date fair value   $ 3.64          
Share price   $ 7.25          
Performance Stock Units | Tranche Three              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Fair value of shares | $   $ 700,000          
Granted, weighted average grant date fair value   $ 3.31          
Share price   $ 9          
Performance Stock Units | Tranche Four              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Fair value of shares | $   $ 600,000          
Granted, weighted average grant date fair value   $ 2.93          
Share price   $ 11.2          
Performance Stock Units | Tranche Five              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Fair value of shares | $   $ 500,000          
Granted, weighted average grant date fair value   $ 2.58          
Share price   $ 13.75          
Performance Stock Units | Minimum              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Vesting percentage   0.00%          
Performance Stock Units | Maximum              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Vesting percentage   100.00%          
2000 Plan | Class A common stock              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | shares       11,500,000      
2004 Plan              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Share-based compensation award extended expiration date       May 29, 2024      
2004 Plan | Class A common stock              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | shares 18,000,000           10,000,000
Number of additional shares authorized under the plan | shares 8,000,000            
2023 Inducement Plan | Restricted Stock Units              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Initial one-time award granted | shares     1,000,000        
2023 Inducement Plan | Performance Stock Units              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Initial one-time award granted | shares     1,000,000        
2023 Inducement Plan | Class A common stock              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | shares     2,000,000