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INVESTMENTS - Non-Marketable Equity Investments, Securities without Readily Determinable Fair Value (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
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Other equity investments not readily marketable |  |
Equity Securities without Readily Determinable Fair Value [Line Items] |  |
Equity securities without readily determinable fair value, carrying value | $ 36.5 | $ 26.6

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