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Summary of Significant Accounting Policies - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Significant Unobservable Inputs (Level 3) | Convertible debt instrument |  |  |
Other non-current assets: |  |  |
Loss on fair value | $ (4,842) | $ (1,492) | $ 0
Recurring Basis | Quoted Price in Active Market for Identical Assets (Level 1) |  |  |
Other non-current assets: |  |  |
Total | 952,817 | 1,057,795 |
Recurring Basis | Quoted Price in Active Market for Identical Assets (Level 1) | U.S. Treasury securities |  |  |
Prepaid expenses and other current assets: |  |  |
U.S. Treasury securities |  | 2,600 |
Recurring Basis | Quoted Price in Active Market for Identical Assets (Level 1) | Convertible debt instrument |  |  |
Prepaid expenses and other current assets: |  |  |
Convertible debt instrument | 0 | 0 |
Other non-current assets: |  |  |
Convertible debt instrument | 0 | 0 |
Recurring Basis | Quoted Price in Active Market for Identical Assets (Level 1) | Equity securities with readily determinable fair values |  |  |
Other non-current assets: |  |  |
Equity securities with readily determinable fair values | 2,113 | 3,046 |
Recurring Basis | Quoted Price in Active Market for Identical Assets (Level 1) | Money market funds |  |  |
Assets at fair value on a recurring basis |  |  |
Cash equivalents: | 950,704 | 1,052,149 |
Recurring Basis | Quoted Price in Active Market for Identical Assets (Level 1) | Bank Time Deposits [Member] |  |  |
Assets at fair value on a recurring basis |  |  |
Cash equivalents: | 0 | 42,852 |
Recurring Basis | Significant Other Observable Inputs (Level 2) |  |  |
Other non-current assets: |  |  |
Total | 168 | 542 |
Recurring Basis | Significant Other Observable Inputs (Level 2) | U.S. Treasury securities |  |  |
Prepaid expenses and other current assets: |  |  |
U.S. Treasury securities |  | 0 |
Recurring Basis | Significant Other Observable Inputs (Level 2) | Convertible debt instrument |  |  |
Prepaid expenses and other current assets: |  |  |
Convertible debt instrument | 0 | 0 |
Other non-current assets: |  |  |
Convertible debt instrument | 0 | 0 |
Recurring Basis | Significant Other Observable Inputs (Level 2) | Equity securities with readily determinable fair values |  |  |
Other non-current assets: |  |  |
Equity securities with readily determinable fair values | 168 | 542 |
Recurring Basis | Significant Other Observable Inputs (Level 2) | Money market funds |  |  |
Assets at fair value on a recurring basis |  |  |
Cash equivalents: | 0 | 0 |
Recurring Basis | Significant Unobservable Inputs (Level 3) |  |  |
Other non-current assets: |  |  |
Total | 5,234 | 8,883 |
Recurring Basis | Significant Unobservable Inputs (Level 3) | U.S. Treasury securities |  |  |
Prepaid expenses and other current assets: |  |  |
U.S. Treasury securities |  | 0 |
Recurring Basis | Significant Unobservable Inputs (Level 3) | Convertible debt instrument |  |  |
Prepaid expenses and other current assets: |  |  |
Convertible debt instrument | 618 | 4,668 |
Other non-current assets: |  |  |
Convertible debt instrument | 4,616 | 4,215 |
Recurring Basis | Significant Unobservable Inputs (Level 3) | Equity securities with readily determinable fair values |  |  |
Other non-current assets: |  |  |
Equity securities with readily determinable fair values | 0 | 0 |
Recurring Basis | Significant Unobservable Inputs (Level 3) | Money market funds |  |  |
Assets at fair value on a recurring basis |  |  |
Cash equivalents: | $ 0 | $ 0 |

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