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INVESTMENTS (Tables) | 12 Months Ended
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Dec. 31, 2023
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of Investments Without Readily Determinable Fair Value | The following table summarizes the activity related to our equity investments without readily determinable fair values during the periods presented (in thousands):
| Years Ended December 31,
| 2023 |  | 2022 |  | 2021
Investment in equity securities | $ | 3,066 |  |  | $ | 20,250 |  |  | $ | 5,000 |
Upward adjustments (1) | — |  |  | 28,638 |  |  | 28,151 |
(1) During 2022 and 2021, investments by third parties resulted in the remeasurements of our investment in MLSI. Our updated investment values were based upon the prices paid by third parties.
Schedule of Equity Securities With Readily Determinable Fair Value | The following table summarizes the activity related to our equity investments with readily determinable fair values during the periods presented (in thousands):
| Years Ended December 31,
| 2023 |  | 2022 |  | 2021
Loss (gain) on investments in equity securities, net | $ | 278 |  |  | $ | 16,443 |  |  | $ | (12,166) |
Portion of unrealized loss (gain) for the period related to equity securities still held at the reporting date | $ | 270 |  |  | $ | 16,443 |  |  | $ | (12,166) |

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