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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2025
Fair Value Disclosures [Abstract] |
Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis | The following tables present information about the Company’s financial assets and liabilities that have been measured at fair value on a recurring basis as of March 31, 2025 and December 31, 2024, and indicate the fair value hierarchy of the valuation inputs utilized to determine such fair value (in thousands):
| Fair Value Measurement as of March 31, 2025
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Financial Assets: |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |
Money market funds | $ | 714,073 |  |  | $ | — |  |  | $ | — |  |  | $ | 714,073 |
Commercial paper | — |  |  | 296,544 |  |  | — |  |  | 296,544 |
Certificates of deposit | — |  |  | 11,916 |  |  | — |  |  | 11,916 |
U.S. government treasury securities | — |  |  | 29,653 |  |  | — |  |  | 29,653 |
Marketable Securities: |  |  |  |  |  |  |
Corporate debt securities | — |  |  | 2,344,055 |  |  | — |  |  | 2,344,055 |
Commercial paper | — |  |  | 419,901 |  |  | — |  |  | 419,901 |
U.S. government treasury securities | — |  |  | 399,219 |  |  | — |  |  | 399,219 |
Certificates of deposit | — |  |  | 205,150 |  |  | — |  |  | 205,150 |
U.S. government agency securities | — |  |  | 1,495 |  |  | — |  |  | 1,495 |
Total financial assets | $ | 714,073 |  |  | $ | 3,707,933 |  |  | $ | — |  |  | $ | 4,422,006 |
| Fair Value Measurement as of December 31, 2024
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Financial Assets: |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |
Money market funds | $ | 1,193,927 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,193,927 |
Corporate debt securities | — |  |  | 2,502 |  |  | — |  |  | 2,502 |
U.S. government treasury securities | — |  |  | 9,088 |  |  | — |  |  | 9,088 |
Marketable Securities: |  |  |  |  |  |  |
Corporate debt securities | — |  |  | 1,896,041 |  |  | — |  |  | 1,896,041 |
Commercial paper | — |  |  | 390,283 |  |  | — |  |  | 390,283 |
Certificates of deposit | — |  |  | 187,802 |  |  | — |  |  | 187,802 |
U.S. government treasury securities | — |  |  | 466,460 |  |  | — |  |  | 466,460 |
U.S. government agency securities | — |  |  | 1,490 |  |  | — |  |  | 1,490 |
Total financial assets | $ | 1,193,927 |  |  | $ | 2,953,666 |  |  | $ | — |  |  | $ | 4,147,593 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + 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 + Details
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