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Marketable Securities (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2025
Investment in American Bitcoin Corp [Member] |  |
Marketable Securities [Line Items] |  |
Unrealized gain | $ 156.4 | $ 156.4

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