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FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value Assets |  |
Marketable securities | $ 406,819 | $ 193,436
Capped call transactions | 915 | 893
Cash equivalents |  |
Fair Value Assets |  |
Cash equivalents | 18,345 | 54,357
Venture investments |  |
Fair Value Assets |  |
Venture investments | 21,047 | 19,450
Level 1 |  |
Fair Value Assets |  |
Marketable securities | 0 | 0
Capped call transactions | 0 | 0
Level 1 | Cash equivalents |  |
Fair Value Assets |  |
Cash equivalents | 18,345 | 54,357
Level 1 | Venture investments |  |
Fair Value Assets |  |
Venture investments | 0 | 0
Level 2 |  |
Fair Value Assets |  |
Marketable securities | 406,819 | 193,436
Capped call transactions | 915 | 893
Level 2 | Cash equivalents |  |
Fair Value Assets |  |
Cash equivalents | 0 | 0
Level 2 | Venture investments |  |
Fair Value Assets |  |
Venture investments | 0 | 0
Level 3 |  |
Fair Value Assets |  |
Marketable securities | 0 | 0
Capped call transactions | 0 | 0
Level 3 | Cash equivalents |  |
Fair Value Assets |  |
Cash equivalents | 0 | 0
Level 3 | Venture investments |  |
Fair Value Assets |  |
Venture investments | $ 21,047 | $ 19,450

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