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Marketable and Other Securities - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2024
Dec. 31, 2024
Fair Value Disclosures [Abstract]      
Gain (loss) on available-for-sale debt securities $ 0 $ 0  
Cumulative unrealized losses on available-for-sale debt securities     $ 0