v3.25.2
Fair Value Measurements - Summary of fair value measurements on a recurring basis and the level of inputs (Detail) - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Assets:    
Cash and cash equivalents $ 143,512 $ 56,840
Total assets 660,198 366,281
Liabilities:    
Public warrants 58,042 70,688
Short-term Investments [Member]    
Assets:    
Investments 406,784 285,896
Other Long-term Investments [Member]    
Assets:    
Investments 109,902 23,545
Cash and money market funds [Member]    
Assets:    
Cash and cash equivalents [1] 143,512 33,204
Corporate Notes And Bonds [Member] | Short-term Investments [Member]    
Assets:    
Investments 3,467 43,868
Corporate Notes And Bonds [Member] | Other Long-term Investments [Member]    
Assets:    
Investments   1,924
US Government Corporations and Agencies Securities [Member]    
Assets:    
Cash and cash equivalents   23,636
US Government Corporations and Agencies Securities [Member] | Short-term Investments [Member]    
Assets:    
Investments 403,317 242,028
US Government Corporations and Agencies Securities [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 109,902 21,621
Quoted Prices in Active Markets (Level 1) [Member]    
Assets:    
Cash and cash equivalents 143,512 33,204
Total assets 143,512 33,204
Liabilities:    
Public warrants 58,042 70,688
Quoted Prices in Active Markets (Level 1) [Member] | Short-term Investments [Member]    
Assets:    
Investments 0 0
Quoted Prices in Active Markets (Level 1) [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 0 0
Quoted Prices in Active Markets (Level 1) [Member] | Cash and money market funds [Member]    
Assets:    
Cash and cash equivalents [1] 143,512 33,204
Quoted Prices in Active Markets (Level 1) [Member] | Corporate Notes And Bonds [Member] | Short-term Investments [Member]    
Assets:    
Investments 0 0
Quoted Prices in Active Markets (Level 1) [Member] | Corporate Notes And Bonds [Member] | Other Long-term Investments [Member]    
Assets:    
Investments   0
Quoted Prices in Active Markets (Level 1) [Member] | US Government Corporations and Agencies Securities [Member]    
Assets:    
Cash and cash equivalents   0
Quoted Prices in Active Markets (Level 1) [Member] | US Government Corporations and Agencies Securities [Member] | Short-term Investments [Member]    
Assets:    
Investments 0 0
Quoted Prices in Active Markets (Level 1) [Member] | US Government Corporations and Agencies Securities [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 0 0
Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Cash and cash equivalents 0 23,636
Total assets 516,686 333,077
Liabilities:    
Public warrants 0 0
Significant Other Observable Inputs (Level 2) [Member] | Short-term Investments [Member]    
Assets:    
Investments 406,784 285,896
Significant Other Observable Inputs (Level 2) [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 109,902 23,545
Significant Other Observable Inputs (Level 2) [Member] | Cash and money market funds [Member]    
Assets:    
Cash and cash equivalents [1] 0 0
Significant Other Observable Inputs (Level 2) [Member] | Corporate Notes And Bonds [Member] | Short-term Investments [Member]    
Assets:    
Investments 3,467 43,868
Significant Other Observable Inputs (Level 2) [Member] | Corporate Notes And Bonds [Member] | Other Long-term Investments [Member]    
Assets:    
Investments   1,924
Significant Other Observable Inputs (Level 2) [Member] | US Government Corporations and Agencies Securities [Member]    
Assets:    
Cash and cash equivalents   23,636
Significant Other Observable Inputs (Level 2) [Member] | US Government Corporations and Agencies Securities [Member] | Short-term Investments [Member]    
Assets:    
Investments 403,317 242,028
Significant Other Observable Inputs (Level 2) [Member] | US Government Corporations and Agencies Securities [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 109,902 21,621
Unobservable Inputs (Level 3) [Member]    
Assets:    
Cash and cash equivalents 0 0
Total assets 0 0
Liabilities:    
Public warrants 0 0
Unobservable Inputs (Level 3) [Member] | Short-term Investments [Member]    
Assets:    
Investments 0 0
Unobservable Inputs (Level 3) [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 0 0
Unobservable Inputs (Level 3) [Member] | Cash and money market funds [Member]    
Assets:    
Cash and cash equivalents [1] 0 0
Unobservable Inputs (Level 3) [Member] | Corporate Notes And Bonds [Member] | Short-term Investments [Member]    
Assets:    
Investments 0 0
Unobservable Inputs (Level 3) [Member] | Corporate Notes And Bonds [Member] | Other Long-term Investments [Member]    
Assets:    
Investments   0
Unobservable Inputs (Level 3) [Member] | US Government Corporations and Agencies Securities [Member]    
Assets:    
Cash and cash equivalents   0
Unobservable Inputs (Level 3) [Member] | US Government Corporations and Agencies Securities [Member] | Short-term Investments [Member]    
Assets:    
Investments 0 0
Unobservable Inputs (Level 3) [Member] | US Government Corporations and Agencies Securities [Member] | Other Long-term Investments [Member]    
Assets:    
Investments $ 0 $ 0
[1] Includes money market funds associated with the Company’s overnight investment sweep account and cash collateralizing the Company's letters of credit and corporate credit cards.