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Organization and Basis of Presentation - Schedule of Components of Marketable Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Equity securities: |  |
Marketable securities | $ 76,013 | $ 69,794
Marketable Securities |  |
Debt securities: |  |
Marketable securities, amortized cost | 58,137 | 51,840
Marketable securities, unrealized gain (loss) | 17,876 | 17,954
Marketable securities, carrying value | 76,013 | 69,794
Investment funds - debt securities |  |
Equity securities: |  |
Equity securities, amortized cost | 2,676 | 2,645
Equity securities, unrealized gain (loss) | (22) | (67)
Marketable securities | 2,654 | 2,578
Common stock, preferred stock and stock funds |  |
Equity securities: |  |
Equity securities, amortized cost | 49,247 | 49,195
Equity securities, unrealized gain (loss) | 17,881 | 18,021
Marketable securities | 67,128 | $ 67,216
U.S. treasury securities |  |
Debt securities: |  |
Debt securities, amortized cost | 3,125 |
Debt securities, unrealized gain (loss) | 12 |
Debt securities, carrying value | 3,137 |
Corporate debt securities |  |
Debt securities: |  |
Debt securities, amortized cost | 3,089 |
Debt securities, unrealized gain (loss) | 5 |
Debt securities, carrying value | $ 3,094 |

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