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Fair Value and Equity Investments, Equity Investments (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Equity Investments [Abstract] |  |  |  |
Impairment of equity investments |  | $ 28,077,000 | $ 0 |
Equity Securities [Member] |  |  |  |
Equity Investments [Abstract] |  |  |  |
Carrying amount of equity securities without readily determinable fair values |  | 0 |  | $ 28,100,000
Upward fair value adjustments on equity securities |  |  |  | 18,100,000
Equity Securities [Member] | Other Income (Expense), Net [Member] |  |  |  |
Equity Investments [Abstract] |  |  |  |
Impairment of equity investments | $ 28,100,000 |  |  |
Equity Securities [Member] |  |  |  |
Equity Investments [Abstract] |  |  |  |
Carrying amount of equity securities without readily determinable fair values |  | $ 14,000,000 |  | $ 7,600,000

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