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Investments in Other Companies (Tables) | 6 Months Ended
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Jun. 30, 2025
Investments in Other Companies |
Schedule of reconciliation of Eve Level 3 investments | The table below shows the reconciliation of the Eve Level 3 Investment (in thousands): ​
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Eve Level 3 Investment: | ​ | ​
Balance at December 31, 2024 | ​ | $ | 8,160
Unrealized gain | ​ | ​ | 2,130
Balance at June 30, 2025 |  | $ | 10,290

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