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Equity and Long-term Investments and Fair Value Measurements - Reconciliation of Equity and Long - Term Investments Balances (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Fair Value Disclosures [Abstract] |  |  |
Purchases of trading securities | $ 61,729 | $ 63,201 |
Proceeds from trading securities | (8,427) | 0 | $ 0
Changes in fair value, net | 20,160 | (59,161) | 11,129
Purchases of equity and other long-term investments | 17,533 |  |
Net sales and purchases of investments managed by ISP Fund | (120,955) |  |
Reclassification of current portion | 91,805 | (107,532) |
Other | 988 | 724 |
Equity and long-term investments | $ 404,497 | $ 341,664 | $ 444,432

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