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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax [Line Items]      
Federal and state income tax provision $ 31,600 $ 10,300 $ 2,500
Valuation allowance 454,966 482,089  
Charitable contribution carryforwards 40,008 40,956  
Federal R&D credit carryforwards 36,200    
State Research and Development Credit Carryforwards 2,400    
Unrecognized tax reserves recorded during period 300 18,000 $ 5,100
Deferred tax assets 8,700 6,800  
Operating Loss Carryforwards Expiring 2024      
Income Tax [Line Items]      
Federal R&D credit carryforwards 200    
Federal      
Income Tax [Line Items]      
Operating loss carryforwards $ 130,200    
Remaining net operating loss carryforward, expiration year 2031    
Federal | Operating Loss Carryforwards Expiring 2031      
Income Tax [Line Items]      
Operating loss carryforwards $ 14,700 115,400  
State      
Income Tax [Line Items]      
Operating loss carryforwards $ 453,900    
Remaining net operating loss carryforward, expiration year 2028    
Charitable contribution carryforwards $ 166,400    
Research and development credit carryforwards with no expiration date 21,500    
State | Operating Loss Carryforwards Expiring 2024      
Income Tax [Line Items]      
Operating loss carryforwards 452,300    
State | Operating Loss Carryforwards Expiring 2031      
Income Tax [Line Items]      
Operating loss carryforwards   $ 1,600  
Foreign      
Income Tax [Line Items]      
Operating loss carryforwards 475,200    
Net operating loss carryforwards with no expiration date 9,000    
Foreign | Operating Loss Carryforwards Expiring 2024      
Income Tax [Line Items]      
Operating loss carryforwards $ 145,300