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Fair Value of Financial Instruments (Tables) | 9 Months Ended
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Sep. 30, 2024
Fair Value Disclosures [Abstract] |
Summary of Fair Values of Financial Instruments | The fair values of the Company’s financial instruments are presented below (in thousands):
|  |  |  |  | Fair Value Measurements at September 30, 2024 |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Financial assets carried at fair value: |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents: |  | $ | 35,841 |  |  | $ | 35,841 |  |  | $ | — |  |  | $ | — |
Short-term investments |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper, available-for-sale |  |  | 14,550 |  |  |  | — |  |  |  | 14,550 |  |  |  | — |
Corporate debt securities, available-for-sale |  |  | 692,572 |  |  |  | — |  |  |  | 692,572 |  |  |  | — |
Government debt securities, available-for-sale |  |  | 172,971 |  |  |  | — |  |  |  | 172,971 |  |  |  | — |
Total financial assets |  | $ | 915,934 |  |  | $ | 35,841 |  |  | $ | 880,093 |  |  | $ | — |
|  |  |  |  | Fair Value Measurements at December 31, 2023 |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Financial assets carried at fair value: |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents: |  | $ | 40,479 |  |  | $ | 16,411 |  |  | $ | 24,068 |  |  | $ | — |
Short-term investments |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper, available-for-sale |  |  | 24,226 |  |  |  | — |  |  |  | 24,226 |  |  |  | — |
Corporate debt securities, available-for-sale |  |  | 168,584 |  |  |  | — |  |  |  | 168,584 |  |  |  | — |
Government debt securities, available-for-sale |  |  | 113,753 |  |  |  | — |  |  |  | 113,753 |  |  |  | — |
Total financial assets |  | $ | 347,042 |  |  | $ | 16,411 |  |  | $ | 330,631 |  |  | $ | — |

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- Definition Tabular disclosure of financial instrument measured at fair value on recurring or nonrecurring basis. Includes, but is not limited to, instrument classified in shareholders' equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
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