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Investments and Fair Value Measurements - Schedule of Marketable Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Fair Value | $ 587,096 | $ 434,628
Short-Term Marketable Investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 587,368 | 436,928
Gross Unrealized Gains | 283 | 37
Gross Unrealized Losses | (555) | (3,222)
Fair Value | 587,096 | 433,743
Long-Term Marketable Investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost |  | 885
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | 0
Fair Value |  | 885
Certificates of deposit |  |
Debt Securities, Available-for-sale [Line Items] |  |
Fair Value | 1,463 | 734
Certificates of deposit | Short-Term Marketable Investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 1,463 | 747
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | (13)
Fair Value | 1,463 | 734
U.S. treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Fair Value | 315,437 | 185,402
U.S. treasury securities | Short-Term Marketable Investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 315,608 | 186,776
Gross Unrealized Gains | 191 | 8
Gross Unrealized Losses | (362) | (1,382)
Fair Value | 315,437 | 185,402
U.S. agency and government-sponsored securities | Short-Term Marketable Investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 239,358 | 197,597
Gross Unrealized Gains | 78 | 29
Gross Unrealized Losses | (177) | (1,660)
Fair Value | 239,259 | 195,966
U.S. agency and government-sponsored securities | Long-Term Marketable Investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost |  | 885
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | 0
Fair Value |  | 885
Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Fair Value | 17,391 | 25,386
Commercial paper | Short-Term Marketable Investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 17,382 | 25,386
Gross Unrealized Gains | 9 | 0
Gross Unrealized Losses | 0 | 0
Fair Value | 17,391 | 25,386
Municipal bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Fair Value | 928 | 22,619
Municipal bonds | Short-Term Marketable Investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 927 | 22,764
Gross Unrealized Gains | 1 | 0
Gross Unrealized Losses | 0 | (145)
Fair Value | 928 | 22,619
Corporate bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Fair Value | 12,618 | 3,636
Corporate bonds | Short-Term Marketable Investments |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 12,630 | 3,658
Gross Unrealized Gains | 4 | 0
Gross Unrealized Losses | (16) | (22)
Fair Value | $ 12,618 | $ 3,636

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