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Marketable Securities - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]        
Gross realized gains $ 99,000 $ 331,000 $ 410,000 $ 1,438,000
Gross realized losses $ 0 $ 0 $ 0 $ 0