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Investments and Fair Value Measurements - Schedule of Assets Carried at Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Assets    
Cash equivalents $ 199,644 $ 73,635
Marketable investments 643,410 587,096
Level 1    
Assets    
Cash equivalents 157,316 71,644
Marketable investments 442,572 315,437
Level 2    
Assets    
Cash equivalents 42,328 1,991
Marketable investments 200,838 271,659
Level 3    
Assets    
Cash equivalents 0 0
Marketable investments 0 0
Certificates of deposit    
Assets    
Marketable investments 802 1,463
Certificates of deposit | Level 1    
Assets    
Marketable investments 0 0
Certificates of deposit | Level 2    
Assets    
Marketable investments 802 1,463
Certificates of deposit | Level 3    
Assets    
Marketable investments 0 0
U.S. treasury securities    
Assets    
Marketable investments 442,572 315,437
U.S. treasury securities | Level 1    
Assets    
Marketable investments 442,572 315,437
U.S. treasury securities | Level 2    
Assets    
Marketable investments 0 0
U.S. treasury securities | Level 3    
Assets    
Marketable investments 0 0
U.S. agency and government-sponsored securities    
Assets    
Marketable investments 146,760 239,259
U.S. agency and government-sponsored securities | Level 1    
Assets    
Marketable investments 0 0
U.S. agency and government-sponsored securities | Level 2    
Assets    
Marketable investments 146,760 239,259
U.S. agency and government-sponsored securities | Level 3    
Assets    
Marketable investments 0 0
Commercial paper    
Assets    
Marketable investments 9,608 17,391
Commercial paper | Level 1    
Assets    
Marketable investments 0 0
Commercial paper | Level 2    
Assets    
Marketable investments 9,608 17,391
Commercial paper | Level 3    
Assets    
Marketable investments 0 0
Municipal bonds    
Assets    
Marketable investments   928
Municipal bonds | Level 1    
Assets    
Marketable investments   0
Municipal bonds | Level 2    
Assets    
Marketable investments   928
Municipal bonds | Level 3    
Assets    
Marketable investments   0
Corporate bonds    
Assets    
Marketable investments 43,668 12,618
Corporate bonds | Level 1    
Assets    
Marketable investments 0 0
Corporate bonds | Level 2    
Assets    
Marketable investments 43,668 12,618
Corporate bonds | Level 3    
Assets    
Marketable investments 0 0
Money market funds    
Assets    
Cash equivalents 114,370 66,661
Money market funds | Level 1    
Assets    
Cash equivalents 114,370 66,661
Money market funds | Level 2    
Assets    
Cash equivalents 0 0
Money market funds | Level 3    
Assets    
Cash equivalents 0 0
Certificates of deposit    
Assets    
Cash equivalents 496 493
Certificates of deposit | Level 1    
Assets    
Cash equivalents 0 0
Certificates of deposit | Level 2    
Assets    
Cash equivalents 496 493
Certificates of deposit | Level 3    
Assets    
Cash equivalents 0 0
U.S. treasury securities    
Assets    
Cash equivalents 42,946 4,983
U.S. treasury securities | Level 1    
Assets    
Cash equivalents 42,946 4,983
U.S. treasury securities | Level 2    
Assets    
Cash equivalents 0 0
U.S. treasury securities | Level 3    
Assets    
Cash equivalents 0 0
U.S. agency and government-sponsored securities    
Assets    
Cash equivalents 41,832  
U.S. agency and government-sponsored securities | Level 1    
Assets    
Cash equivalents 0  
U.S. agency and government-sponsored securities | Level 2    
Assets    
Cash equivalents 41,832  
U.S. agency and government-sponsored securities | Level 3    
Assets    
Cash equivalents 0  
Municipal bonds    
Assets    
Cash equivalents 0 1,498
Municipal bonds | Level 1    
Assets    
Cash equivalents 0 0
Municipal bonds | Level 2    
Assets    
Cash equivalents 0 1,498
Municipal bonds | Level 3    
Assets    
Cash equivalents $ 0 $ 0