v3.25.2
Fair Value Measurements - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Purchase of short-term investments     $ 65,723,000 $ 151,038,000  
Maturities of short-term investments, available-for-sale     143,500,000 130,000,000  
Allowance for credit losses $ 0   0   $ 0
Accrued interest on available-for-sale securities 1,000,000   1,000,000    
Net unrealized holding gain (loss) (100,000) $ 0 (300,000) (200,000)  
Short-Term Investments [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Purchase of short-term investments 31,400,000 87,600,000 65,700,000 151,000,000  
Maturities of short-term investments, available-for-sale 80,000,000 $ 75,000,000 143,500,000 $ 130,000,000  
Fair Value, Recurring [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Fair value, liabilities transfers from Level 2 to Level 1 $ 0   0    
Fair value, assets transfers into (out of) level 3     $ 0