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FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value Assets |  |
Marketable securities | $ 187,613 | $ 202,814
Capped call transactions | 10,459 | 59,964
Cash equivalents |  |
Fair Value Assets |  |
Cash equivalents | 1,127 | 3,216
Venture investments |  |
Fair Value Assets |  |
Venture investments | 16,073 | 7,648
Level 1 |  |
Fair Value Assets |  |
Marketable securities | 0 | 0
Capped call transactions | 0 | 0
Level 1 | Cash equivalents |  |
Fair Value Assets |  |
Cash equivalents | 1,127 | 3,216
Level 1 | Venture investments |  |
Fair Value Assets |  |
Venture investments | 0 | 0
Level 2 |  |
Fair Value Assets |  |
Marketable securities | 187,613 | 202,814
Capped call transactions | 10,459 | 59,964
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 | $ 16,073 | $ 7,648

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