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Cash Equivalents and Marketable Securities (Tables) | 12 Months Ended
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Dec. 31, 2023
Cash and Cash Equivalents [Abstract] |
Estimated Fair Value of Cash Equivalents and Marketable Securities and the Gross Unrealized Gains and Losses | The following tables summarize the estimated fair value of the Company’s cash equivalents and marketable securities and the gross unrealized gains and losses (in thousands):
|  | December 31, 2023 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 150,648 |  |  | $ | — |  |  | $ | — |  |  | $ | 150,648 |
Commercial paper |  |  | 24,950 |  |  |  | 5 |  |  |  | — |  |  |  | 24,955 |
U.S. government treasury securities |  |  | 10,965 |  |  |  | 1 |  |  |  | — |  |  |  | 10,966 |
Total cash equivalents |  |  | 186,563 |  |  |  | 6 |  |  |  | — |  |  |  | 186,569 |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  |  | 79,124 |  |  |  | 62 |  |  |  | — |  |  |  | 79,186 |
Corporate bonds |  |  | 32,984 |  |  |  | 81 |  |  |  | (1 | ) |  |  | 33,064 |
U.S. government treasury securities |  |  | 21,846 |  |  |  | 31 |  |  |  | — |  |  |  | 21,877 |
U.S. government agency securities |  |  | 16,147 |  |  |  | 110 |  |  |  | — |  |  |  | 16,257 |
Total marketable securities |  | $ | 150,101 |  |  | $ | 284 |  |  | $ | (1 | ) |  | $ | 150,384 |
|  | December 31, 2022 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 15,250 |  |  | $ | — |  |  | $ | — |  |  | $ | 15,250 |
Commercial paper |  |  | 7,021 |  |  |  | 1 |  |  |  | (2 | ) |  |  | 7,020 |
U.S. government agency securities |  |  | 3,736 |  |  |  | — |  |  |  | (1 | ) |  |  | 3,735 |
Total cash equivalents |  | $ | 26,007 |  |  | $ | 1 |  |  | $ | (3 | ) |  | $ | 26,005 |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | $ | 16,644 |  |  | $ | 2 |  |  | $ | (25 | ) |  | $ | 16,621 |
Corporate bonds |  |  | 3,738 |  |  |  | — |  |  |  | (6 | ) |  |  | 3,732 |
U.S. government agency securities |  |  | 495 |  |  |  | — |  |  |  | — |  |  |  | 495 |
Total marketable securities |  | $ | 20,877 |  |  | $ | 2 |  |  | $ | (31 | ) |  | $ | 20,848 |
Available-for-Sale Securities in an Unrealized Loss Position | The following table summarizes the available-for-sale securities in an unrealized loss position for which an allowance for credit losses has not been recorded as of December 31, 2023 and 2022, aggregated by major security type and length of time in a continuous unrealized loss position:
|  | December 31, 2023 |
|  | Less Than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
Commercial paper |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Corporate bonds |  |  | 9,907 |  |  |  | (1 | ) |  |  | — |  |  |  | — |  |  |  | 9,907 |  |  |  | (1 | )
U.S. government treasury securities |  |  | 4,831 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4,831 |  |  |  | — |
Total marketable securities |  | $ | 14,738 |  |  | $ | (1 | ) |  | $ | — |  |  | $ | — |  |  | $ | 14,738 |  |  | $ | (1 | )
|  | December 31, 2022 |
|  | Less Than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
Commercial paper |  | $ | 17,699 |  |  | $ | (27 | ) |  | $ | — |  |  | $ | — |  |  | $ | 17,699 |  |  | $ | (27 | )
Corporate bonds |  |  | 3,732 |  |  |  | (6 | ) |  |  | — |  |  |  | — |  |  |  | 3,732 |  |  |  | (6 | )
U.S. government agency securities |  |  | 3,735 |  |  |  | (1 | ) |  |  | — |  |  |  | — |  |  |  | 3,735 |  |  |  | (1 | )
Total marketable securities |  | $ | 25,166 |  |  | $ | (34 | ) |  | $ | — |  |  | $ | — |  |  | $ | 25,166 |  |  | $ | (34 | )
Contractual Maturities of Marketable Securities at Estimated Fair Value | The following table summarizes the contractual maturities of the Company’s marketable securities at estimated fair value (in thousands):
|  | December 31, |
|  | 2023 |  |  | 2022 |
Due in one year or less |  | $ | 115,784 |  |  | $ | 20,848 |
Due in 1 – 2 years |  |  | 34,600 |  |  |  | — |
Total marketable securities |  | $ | 150,384 |  |  | $ | 20,848 |

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