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Cash, Cash Equivalents, and Investments - Components of Cash, Cash Equivalents, and Investments (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | $ 138,859 | $ 202,655
Current investments | 139,334 | 129,392
Non-current investments | 278,426 | 244,230
Total | 556,619 | 576,277
Cash |  |
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | 128,264 | 183,242
Certificate of deposit |  |
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | 6,429 | 0
Treasury bills |  |
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | 3,499 | 0
Money market instruments |  |
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | 667 | 19,413
Corporate bonds |  |
Debt Securities, Available-for-sale |  |
Current investments | 134,032 | 124,851
Long-term investments | 219,713 | 183,965
Asset-backed securities |  |
Debt Securities, Available-for-sale |  |
Current investments | 4,309 | 3,551
Long-term investments | 12,686 | 15,763
Treasury notes |  |
Debt Securities, Available-for-sale |  |
Long-term investments | 45,053 | 43,523
Sovereign bonds |  |
Debt Securities, Available-for-sale |  |
Current investments | 993 | 990
Long-term investments | $ 974 | $ 979

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