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Investments and Fair Value Measurements - Schedule of Assets Carried at Fair Value (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets |  |
Cash equivalents | $ 73,635 | $ 57,260
Marketable investments | 587,096 | 434,628
Level 1 |  |
Assets |  |
Cash equivalents | 71,644 | 57,260
Marketable investments | 315,437 | 185,402
Level 2 |  |
Assets |  |
Cash equivalents | 1,991 | 0
Marketable investments | 271,659 | 249,226
Level 3 |  |
Assets |  |
Cash equivalents | 0 | 0
Marketable investments | 0 | 0
Certificates of deposit |  |
Assets |  |
Marketable investments | 1,463 | 734
Certificates of deposit | Level 1 |  |
Assets |  |
Marketable investments | 0 | 0
Certificates of deposit | Level 2 |  |
Assets |  |
Marketable investments | 1,463 | 734
Certificates of deposit | Level 3 |  |
Assets |  |
Marketable investments | 0 | 0
U.S. treasury securities |  |
Assets |  |
Marketable investments | 315,437 | 185,402
U.S. treasury securities | Level 1 |  |
Assets |  |
Marketable investments | 315,437 | 185,402
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 | 239,259 | 196,851
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 | 239,259 | 196,851
U.S. agency and government-sponsored securities | Level 3 |  |
Assets |  |
Marketable investments | 0 | 0
Commercial paper |  |
Assets |  |
Marketable investments | 17,391 | 25,386
Commercial paper | Level 1 |  |
Assets |  |
Marketable investments | 0 | 0
Commercial paper | Level 2 |  |
Assets |  |
Marketable investments | 17,391 | 25,386
Commercial paper | Level 3 |  |
Assets |  |
Marketable investments | 0 | 0
Municipal bonds |  |
Assets |  |
Marketable investments | 928 | 22,619
Municipal bonds | Level 1 |  |
Assets |  |
Marketable investments | 0 | 0
Municipal bonds | Level 2 |  |
Assets |  |
Marketable investments | 928 | 22,619
Municipal bonds | Level 3 |  |
Assets |  |
Marketable investments | 0 | 0
Corporate bonds |  |
Assets |  |
Marketable investments | 12,618 | 3,636
Corporate bonds | Level 1 |  |
Assets |  |
Marketable investments | 0 | 0
Corporate bonds | Level 2 |  |
Assets |  |
Marketable investments | 12,618 | 3,636
Corporate bonds | Level 3 |  |
Assets |  |
Marketable investments | 0 | 0
Money market funds |  |
Assets |  |
Cash equivalents | 66,661 | 37,560
Money market funds | Level 1 |  |
Assets |  |
Cash equivalents | 66,661 | 37,560
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 | 493 | 19,700
Certificates of deposit | Level 1 |  |
Assets |  |
Cash equivalents | 0 | 19,700
Certificates of deposit | Level 2 |  |
Assets |  |
Cash equivalents | 493 | 0
Certificates of deposit | Level 3 |  |
Assets |  |
Cash equivalents | 0 | $ 0
U.S. treasury securities |  |
Assets |  |
Cash equivalents | 4,983 |
U.S. treasury securities | Level 1 |  |
Assets |  |
Cash equivalents | 4,983 |
U.S. treasury securities | Level 2 |  |
Assets |  |
Cash equivalents | 0 |
U.S. treasury securities | Level 3 |  |
Assets |  |
Cash equivalents | 0 |
Municipal bonds |  |
Assets |  |
Cash equivalents | 1,498 |
Municipal bonds | Level 1 |  |
Assets |  |
Cash equivalents | 0 |
Municipal bonds | Level 2 |  |
Assets |  |
Cash equivalents | 1,498 |
Municipal bonds | Level 3 |  |
Assets |  |
Cash equivalents | $ 0 |

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