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Fair Value Measurements - Schedule of Fair Value Measurement (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities | $ 1,781,518 | $ 864,765
Total Fair Value | 2,006,944 | 1,150,809
Money market funds |  |
Cash Equivalents and Marketable Securities: |  |
Cash equivalents | 177,240 | 999
Time deposits |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities and cash equivalents | 39,670 | 285,830
Available-for-sale securities | 14,426 | 19,530
Commercial paper |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities and cash equivalents | 6,244 |
Available-for-sale securities | 6,244 |
Corporate bonds |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities | 1,331,208 | 603,053
U.S. government agency obligations |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities and cash equivalents | 429,640 | 242,182
Available-for-sale securities | 429,640 | 242,182
Mutual funds |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities | 22,942 | 18,745
Level 1 |  |
Cash Equivalents and Marketable Securities: |  |
Total Fair Value | 200,182 | 19,744
Level 1 | Money market funds |  |
Cash Equivalents and Marketable Securities: |  |
Cash equivalents | 177,240 | 999
Level 1 | Time deposits |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities and cash equivalents | 0 | 0
Level 1 | Commercial paper |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities and cash equivalents | 0 |
Level 1 | Corporate bonds |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities | 0 | 0
Level 1 | U.S. government agency obligations |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities and cash equivalents | 0 | 0
Level 1 | Mutual funds |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities | 22,942 | 18,745
Level 2 |  |
Cash Equivalents and Marketable Securities: |  |
Total Fair Value | 1,806,762 | 1,131,065
Level 2 | Money market funds |  |
Cash Equivalents and Marketable Securities: |  |
Cash equivalents | 0 | 0
Level 2 | Time deposits |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities and cash equivalents | 39,670 | 285,830
Level 2 | Commercial paper |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities and cash equivalents | 6,244 |
Level 2 | Corporate bonds |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities | 1,331,208 | 603,053
Level 2 | U.S. government agency obligations |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities and cash equivalents | 429,640 | 242,182
Level 2 | Mutual funds |  |
Cash Equivalents and Marketable Securities: |  |
Available-for-sale securities | $ 0 | $ 0

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