v3.26.1
Fair Value of Financial Instruments - Schedule of Financial Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents $ 617,109 $ 50,247
Short-term investments 287,034  
Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets and restricted cash 353 656
Total assets measured at fair value 1,214,922 514,246
Level 1 | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other assets and restricted cash 353 656
Total assets measured at fair value 992,058 403,094
Level 2 | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets measured at fair value 222,864 111,152
Money Market Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 615,695 50,247
Money Market Funds | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 615,695 50,247
Money Market Funds | Level 1 | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 615,695 50,247
U.S. Treasury Securities | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments   274,152
Long-term investments 76,592 71,918
U.S. Treasury Securities | Level 1 | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 287,034 274,152
Long-term investments 76,592 71,918
Corporate Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 1,414  
Corporate Debt Securities | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 1,414  
Short-term investments 141,736 61,100
Long-term investments 25,711 28,675
Corporate Debt Securities | Level 2 | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 1,414  
Short-term investments 141,736 61,100
Long-term investments 25,711 28,675
Commercial Paper | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 36,895 4,314
Commercial Paper | Level 2 | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 36,895 4,314
Certificate of deposit | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 12,384 6,121
Certificate of deposit | Level 1 | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 12,384 6,121
U.S. Government Agency Securities | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 5,543 7,521
Long-term investments 11,565 9,542
U.S. Government Agency Securities | Level 2 | Fair Value on Recurring Basis    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 5,543 7,521
Long-term investments $ 11,565 $ 9,542