v3.25.4
Fair Value of Financial Instruments - Schedule of Fair Value of Financial Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of cash and cash equivalents $ 191,494 $ 64,109
Investment, Type [Extensible Enumeration] Money Market Funds [Member] Money Market Funds [Member]
Fair value of short and long term investments $ 958,214 $ 1,711,040
Fair value of restricted cash 2,703 4,053
Fair value of financial assets 1,171,727 1,791,819
Fair value of financial liabilities 381 584
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of cash and cash equivalents $ 191,494 $ 64,109
Investment, Type [Extensible Enumeration] Money Market Funds [Member] Money Market Funds [Member]
Fair value of financial assets $ 191,494 $ 64,109
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investment, Type [Extensible Enumeration] Money Market Funds [Member] Money Market Funds [Member]
Fair value of restricted cash $ 2,703 $ 4,053
Fair value of financial assets 961,157 1,718,301
Fair value of financial liabilities 381 584
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments 19,076 9,409
Commercial Paper [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments   4,941
Commercial Paper [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments   4,941
Corporate Bonds [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments 253,765 284,575
Corporate Bonds [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments 253,765 284,575
U.S. Government Agency Securities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments 45,710 117,369
U.S. Government Agency Securities [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments 45,710 117,369
US Treasury Securities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments 658,739 1,307,363
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments 658,739 1,307,363
Strategic Investments [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments 19,076 9,409
Strategic Investments [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of short and long term investments 19,076 9,409
Foreign Currency Derivative Liabilities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Prepaid expenses and other current assets fair value disclosure 240  
Fair value of accrued expenses and other current liabilities 381 584
Foreign Currency Derivative Liabilities [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Prepaid expenses and other current assets fair value disclosure 240  
Fair value of accrued expenses and other current liabilities $ 381 $ 584