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Equity and Other Investments and Fair Value Measurements - Convertible Promissory Note in Lyndra (Details) - Lyndra Convertible Note - Lyndra - USD ($) $ in Millions	Feb. 27, 2025	Jun. 30, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Convertible notes face value	$ 9.2
Equity securities face value		$ 9.2
Debt Instrument, Interest Rate, Effective Percentage	8.00%
Debt instrument maturity date	Nov. 27, 2025

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