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Cash Equivalents and Marketable Securities - Estimated Fair Value of Cash Equivalents and Marketable Securities and the Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Cash equivalents: |  |
Amortized Cost | $ 186,563 | $ 26,007
Gross Unrealized Gains | 6 | 1
Gross Unrealized Losses | 0 | (3)
Estimated Fair Value | 186,569 | 26,005
Marketable securities: |  |
Amortized Cost | 150,101 | 20,877
Gross Unrealized Gains | 284 | 2
Gross Unrealized Losses | (1) | (31)
Estimated Fair Value | 150,384 | 20,848
Money market funds |  |
Cash equivalents: |  |
Amortized Cost | 150,648 | 15,250
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 150,648 | 15,250
Commercial paper |  |
Cash equivalents: |  |
Amortized Cost | 24,950 | 7,021
Gross Unrealized Gains | 5 | 1
Gross Unrealized Losses | 0 | (2)
Estimated Fair Value | 24,955 | 7,020
Marketable securities: |  |
Amortized Cost | 79,124 | 16,644
Gross Unrealized Gains | 62 | 2
Gross Unrealized Losses | 0 | (25)
Estimated Fair Value | 79,186 | 16,621
Corporate bonds |  |
Marketable securities: |  |
Amortized Cost | 32,984 | 3,738
Gross Unrealized Gains | 81 | 0
Gross Unrealized Losses | (1) | (6)
Estimated Fair Value | 33,064 | 3,732
U.S. government treasury securities |  |
Cash equivalents: |  |
Amortized Cost | 10,965 |
Gross Unrealized Gains | 1 |
Gross Unrealized Losses | 0 |
Estimated Fair Value | 10,966 |
Marketable securities: |  |
Amortized Cost | 21,846 |
Gross Unrealized Gains | 31 |
Gross Unrealized Losses | 0 |
Estimated Fair Value | 21,877 |
U.S. government agency securities |  |
Cash equivalents: |  |
Amortized Cost |  | 3,736
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | (1)
Estimated Fair Value |  | 3,735
Marketable securities: |  |
Amortized Cost | 16,147 | 495
Gross Unrealized Gains | 110 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | $ 16,257 | $ 495

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