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Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Assets carried at fair value |  |
Marketable securities | $ 308,306 | $ 331,077
Time deposits |  |
Assets carried at fair value |  |
Marketable securities | 13,654 |
U.S. Government bonds and notes |  |
Assets carried at fair value |  |
Marketable securities | 157,004 | 194,428
Corporate bonds, commercial paper and notes |  |
Assets carried at fair value |  |
Marketable securities | 137,648 | 136,649
Recurring basis |  |
Assets carried at fair value |  |
Total assets carried at fair value | 327,172 | 337,358
Liabilities carried at fair value |  |
Earn-out liability related to the PLDA acquisition | 12,000 | 12,500
Total liabilities carried at fair value | 12,000 | 12,500
Recurring basis | Money market funds |  |
Assets carried at fair value |  |
Marketable securities | 12,881 | 3,790
Recurring basis | Time deposits |  |
Assets carried at fair value |  |
Marketable securities | 13,654 |
Recurring basis | U.S. Government bonds and notes |  |
Assets carried at fair value |  |
Marketable securities | 162,000 | 196,919
Recurring basis | Corporate bonds, commercial paper and notes |  |
Assets carried at fair value |  |
Marketable securities | 138,637 | 136,649
Recurring basis | Quoted market prices in active markets (Level 1) |  |
Assets carried at fair value |  |
Total assets carried at fair value | 12,881 | 3,790
Liabilities carried at fair value |  |
Earn-out liability related to the PLDA acquisition | 0 | 0
Total liabilities carried at fair value | 0 | 0
Recurring basis | Quoted market prices in active markets (Level 1) | Money market funds |  |
Assets carried at fair value |  |
Marketable securities | 12,881 | 3,790
Recurring basis | Quoted market prices in active markets (Level 1) | Time deposits |  |
Assets carried at fair value |  |
Marketable securities | 0 |
Recurring basis | Quoted market prices in active markets (Level 1) | U.S. Government bonds and notes |  |
Assets carried at fair value |  |
Marketable securities | 0 | 0
Recurring basis | Quoted market prices in active markets (Level 1) | Corporate bonds, commercial paper and notes |  |
Assets carried at fair value |  |
Marketable securities | 0 | 0
Recurring basis | Significant other observable inputs (Level 2) |  |
Assets carried at fair value |  |
Total assets carried at fair value | 314,291 | 333,568
Liabilities carried at fair value |  |
Earn-out liability related to the PLDA acquisition | 0 | 0
Total liabilities carried at fair value | 0 | 0
Recurring basis | Significant other observable inputs (Level 2) | Money market funds |  |
Assets carried at fair value |  |
Marketable securities | 0 | 0
Recurring basis | Significant other observable inputs (Level 2) | Time deposits |  |
Assets carried at fair value |  |
Marketable securities | 13,654 |
Recurring basis | Significant other observable inputs (Level 2) | U.S. Government bonds and notes |  |
Assets carried at fair value |  |
Marketable securities | 162,000 | 196,919
Recurring basis | Significant other observable inputs (Level 2) | Corporate bonds, commercial paper and notes |  |
Assets carried at fair value |  |
Marketable securities | 138,637 | 136,649
Recurring basis | Significant unobservable inputs (Level 3) |  |
Assets carried at fair value |  |
Total assets carried at fair value | 0 | 0
Liabilities carried at fair value |  |
Earn-out liability related to the PLDA acquisition | 12,000 | 12,500
Total liabilities carried at fair value | 12,000 | 12,500
Recurring basis | Significant unobservable inputs (Level 3) | Money market funds |  |
Assets carried at fair value |  |
Marketable securities | 0 | 0
Recurring basis | Significant unobservable inputs (Level 3) | Time deposits |  |
Assets carried at fair value |  |
Marketable securities | 0 |
Recurring basis | Significant unobservable inputs (Level 3) | U.S. Government bonds and notes |  |
Assets carried at fair value |  |
Marketable securities | 0 | 0
Recurring basis | Significant unobservable inputs (Level 3) | Corporate bonds, commercial paper and notes |  |
Assets carried at fair value |  |
Marketable securities | $ 0 | $ 0

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