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Income Taxes - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Line Items]        
Income tax (expense) benefit $ (2,751,000) $ (3,860,000) $ (64,000)  
Percentage of change in ownership 50.00%      
Unrecognized tax benefits related to uncertain tax positions $ 0 $ 0    
Federal Income Tax Authority [Member]        
Income Tax Disclosure [Line Items]        
Net operating loss carryforwards $ 985,956,000     $ 1,680,000
Operating loss carryforwards, expiration year 2026      
Operating loss carryforwards indefinitely $ 757,416,000      
Federal Income Tax Authority [Member] | Research and Development [Member]        
Income Tax Disclosure [Line Items]        
Tax credit carryforwards, amount $ 12,853,000      
Tax credit carryforwards, expiration year 2027      
State and Local Jurisdiction [Member]        
Income Tax Disclosure [Line Items]        
Net operating loss carryforwards $ 45,747,000     $ 6,391,000
Operating loss carryforwards, expiration year 2024      
State and Local Jurisdiction [Member] | Research and Development [Member]        
Income Tax Disclosure [Line Items]        
Tax credit carryforwards, amount $ 3,014,000      
Tax credit carryforwards, expiration year 2035