v3.26.1
Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Assets    
Cash equivalents (money market funds) $ 589,359 $ 302,688
Short-term investments    
Publicly traded stock 30,490 17,779
U.S. Treasury securities 114,937  
Fixed income (corporate fixed income and bonds, agency securities) 179,996  
Certificates of deposit 399,913  
Warrants in publicly traded companies 1,251 1,123
Short-term investments 726,587 21,750
Equity investment in affiliate 26,802  
Note receivable from affiliate 9,140  
Total assets 1,351,888 321,590
Liabilities    
Government grants 3,644 3,657
Warrant liabilities 1,043,740 489,434
Contingent consideration 132,423  
Total liabilities 1,179,807 493,091
Level 1 [Member]    
Assets    
Cash equivalents (money market funds) 589,359 302,688
Short-term investments    
Publicly traded stock 30,490 17,779
U.S. Treasury securities 114,937  
Fixed income (corporate fixed income and bonds, agency securities) 0  
Certificates of deposit 0  
Warrants in publicly traded companies 0 0
Short-term investments 145,427  
Equity investment in affiliate 0  
Note receivable from affiliate 0  
Total assets 734,786 320,467
Liabilities    
Government grants 0 0
Warrant liabilities 0 0
Contingent consideration 0  
Total liabilities 0 0
Level 2 [Member]    
Assets    
Cash equivalents (money market funds) 0 0
Short-term investments    
Publicly traded stock 0 0
U.S. Treasury securities 0  
Fixed income (corporate fixed income and bonds, agency securities) 179,996  
Certificates of deposit 399,913  
Warrants in publicly traded companies 0 0
Short-term investments 579,909  
Equity investment in affiliate 0  
Note receivable from affiliate 0  
Total assets 579,909 0
Liabilities    
Government grants 0 0
Warrant liabilities 0 0
Contingent consideration 0  
Total liabilities 0 0
Level 3 [Member]    
Assets    
Cash equivalents (money market funds) 0 0
Short-term investments    
Publicly traded stock 0 0
U.S. Treasury securities 0  
Fixed income (corporate fixed income and bonds, agency securities) 0  
Certificates of deposit 0  
Warrants in publicly traded companies 1,251 1,123
Short-term investments 1,251  
Equity investment in affiliate 26,802  
Note receivable from affiliate 9,140  
Total assets 37,193 1,123
Liabilities    
Government grants 3,644 3,657
Warrant liabilities 1,043,740 489,434
Contingent consideration 132,423  
Total liabilities $ 1,179,807 $ 493,091