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MARKETABLE SECURITIES (Tables) | 12 Months Ended
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Dec. 31, 2023
Cash and Cash Equivalents [Abstract] |
Marketable Securities | The following table summarizes our marketable securities by significant investment categories:
| Cost Basis | Gross Unrealized Losses | Gross Unrealized Gains | Fair Value
December 31, 2023 |  |  |  |
Marketable debt securities(1) | $ | 106,791 |  | $ | — |  | $ | 675 |  | $ | 107,466 |
Marketable equity securities | 28,159 |  | (2,581) |  | — |  | 25,578 |
Total marketable securities | $ | 134,950 |  | $ | (2,581) |  | $ | 675 |  | $ | 133,044 |
December 31, 2022 |  |  |  |
Marketable debt securities(1) | $ | 11,435 |  | $ | (310) |  | $ | — |  | $ | 11,125 |
Marketable equity securities | 2,876 |  | (1,809) |  | — |  | 1,067 |
Total marketable securities | $ | 14,311 |  | $ | (2,119) |  | $ | — |  | $ | 12,192 |
(1) As of December 31, 2023 and 2022, marketable debt securities are comprised primarily of U.S. Treasury Bills and Government Agency Bonds.

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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