v3.25.0.1
Fair Value Measurements - Additional information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Risk-free interest rate 4.20% 4.40% 1.90%
Research milestone payments $ 25.0    
Cash Member      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Research milestone payments 0.9    
AvenCell [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investment Owned, Fair Value $ 7.9 $ 11.8  
Indicated equity volatility 95.00%    
Risk-free interest rate 3.90%    
Sparing Vision [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investment Owned, Fair Value $ 14.6 $ 14.8