v3.26.1
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, 2026
Dec. 31, 2025
Assets:    
Cash and cash equivalents $ 1,243,290 $ 1,037,748
Other noncurrent assets 208,614 61,010
Total assets 3,175,509 3,404,692
Liabilities:    
Accrued expenses and other current liabilities 3,522  
Other noncurrent liabilities 17,403  
Warrant liabilities 3,052,398 2,471,577
Total liabilities 3,073,323 2,471,577
Contingent Consideration [Member]    
Liabilities:    
Accrued expenses and other current liabilities 3,035  
Other noncurrent liabilities 17,403  
Short-term Investments [Member]    
Assets:    
Investments 883,240 1,361,291
Other Long-term Investments [Member]    
Assets:    
Investments 840,365 944,643
Strategic Investments [Member]    
Assets:    
Other noncurrent assets   61,010
Liabilities:    
Accrued expenses and other current liabilities 487  
Cash and money market funds [Member]    
Assets:    
Cash and cash equivalents [1] 1,243,290 538,195
U.S. Government and Agency [Member]    
Assets:    
Cash and cash equivalents 0 499,553
U.S. Government and Agency [Member] | Short-term Investments [Member]    
Assets:    
Investments 882,709 1,359,292
U.S. Government and Agency [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 840,365 944,643
Certificates of Deposit [Member] | Short-term Investments [Member]    
Assets:    
Investments 531  
Corporate Notes And Bonds [Member] | Short-term Investments [Member]    
Assets:    
Investments   1,999
Quoted Prices in Active Markets (Level 1) [Member]    
Assets:    
Cash and cash equivalents 1,243,290 538,195
Other noncurrent assets 137,268 0
Total assets 1,380,558 538,195
Liabilities:    
Accrued expenses and other current liabilities 0  
Other noncurrent liabilities 0  
Warrant liabilities 44,071 44,168
Total liabilities 44,071 44,168
Quoted Prices in Active Markets (Level 1) [Member] | Contingent Consideration [Member]    
Liabilities:    
Accrued expenses and other current liabilities 0  
Other noncurrent liabilities 0  
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] | Strategic Investments [Member]    
Assets:    
Other noncurrent assets 137,268 0
Liabilities:    
Accrued expenses and other current liabilities 0  
Quoted Prices in Active Markets (Level 1) [Member] | Cash and money market funds [Member]    
Assets:    
Cash and cash equivalents [1] 1,243,290 538,195
Quoted Prices in Active Markets (Level 1) [Member] | U.S. Government and Agency [Member]    
Assets:    
Cash and cash equivalents 0 0
Quoted Prices in Active Markets (Level 1) [Member] | U.S. Government and Agency [Member] | Short-term Investments [Member]    
Assets:    
Investments 0 0
Quoted Prices in Active Markets (Level 1) [Member] | U.S. Government and Agency [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 0 0
Quoted Prices in Active Markets (Level 1) [Member] | Certificates of Deposit [Member] | Short-term Investments [Member]    
Assets:    
Investments 0  
Quoted Prices in Active Markets (Level 1) [Member] | Corporate Notes And Bonds [Member] | Short-term Investments [Member]    
Assets:    
Investments   0
Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Cash and cash equivalents 0 499,553
Other noncurrent assets 0 0
Total assets 1,723,605 2,805,487
Liabilities:    
Accrued expenses and other current liabilities 0  
Other noncurrent liabilities 0  
Warrant liabilities 0 0
Total liabilities 0 0
Significant Other Observable Inputs (Level 2) [Member] | Contingent Consideration [Member]    
Liabilities:    
Accrued expenses and other current liabilities 0  
Other noncurrent liabilities 0  
Significant Other Observable Inputs (Level 2) [Member] | Short-term Investments [Member]    
Assets:    
Investments 883,240 1,361,291
Significant Other Observable Inputs (Level 2) [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 840,365 944,643
Significant Other Observable Inputs (Level 2) [Member] | Strategic Investments [Member]    
Assets:    
Other noncurrent assets 0 0
Liabilities:    
Accrued expenses and other current liabilities 0  
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] | U.S. Government and Agency [Member]    
Assets:    
Cash and cash equivalents 0 499,553
Significant Other Observable Inputs (Level 2) [Member] | U.S. Government and Agency [Member] | Short-term Investments [Member]    
Assets:    
Investments 882,709 1,359,292
Significant Other Observable Inputs (Level 2) [Member] | U.S. Government and Agency [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 840,365 944,643
Significant Other Observable Inputs (Level 2) [Member] | Certificates of Deposit [Member] | Short-term Investments [Member]    
Assets:    
Investments 531  
Significant Other Observable Inputs (Level 2) [Member] | Corporate Notes And Bonds [Member] | Short-term Investments [Member]    
Assets:    
Investments   1,999
Unobservable Inputs (Level 3) [Member]    
Assets:    
Cash and cash equivalents 0 0
Other noncurrent assets 71,346 61,010
Total assets 71,346 61,010
Liabilities:    
Accrued expenses and other current liabilities 3,522  
Other noncurrent liabilities 17,403  
Warrant liabilities 3,008,327 2,427,409
Total liabilities 3,029,252 2,427,409
Unobservable Inputs (Level 3) [Member] | Contingent Consideration [Member]    
Liabilities:    
Accrued expenses and other current liabilities 3,035  
Other noncurrent liabilities 17,403  
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] | Strategic Investments [Member]    
Assets:    
Other noncurrent assets 71,346 61,010
Liabilities:    
Accrued expenses and other current liabilities 487  
Unobservable Inputs (Level 3) [Member] | Cash and money market funds [Member]    
Assets:    
Cash and cash equivalents [1] 0 0
Unobservable Inputs (Level 3) [Member] | U.S. Government and Agency [Member]    
Assets:    
Cash and cash equivalents 0 0
Unobservable Inputs (Level 3) [Member] | U.S. Government and Agency [Member] | Short-term Investments [Member]    
Assets:    
Investments 0 0
Unobservable Inputs (Level 3) [Member] | U.S. Government and Agency [Member] | Other Long-term Investments [Member]    
Assets:    
Investments 0 0
Unobservable Inputs (Level 3) [Member] | Certificates of Deposit [Member] | Short-term Investments [Member]    
Assets:    
Investments $ 0  
Unobservable Inputs (Level 3) [Member] | Corporate Notes And Bonds [Member] | Short-term Investments [Member]    
Assets:    
Investments   $ 0
[1] Includes money market funds associated with the Company’s overnight investment sweep account and cash collateralizing the Company’s financial guarantees and certain other obligations.