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Investments - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Schedule of Investments [Abstract] |  |  |  |
Realized gains (losses) on trading securities | $ (200,000) | $ 1,000,000 | $ (21,500) | $ 700,000

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