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Investments and Fair Value of Financial Instruments - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Fair Value Disclosures [Abstract]        
Gross Unrealized Losses $ (204,000) $ (204,000)   $ (20,000)
Allowance for credit loss $ 0 0    
Payments for non-marketable investment   $ 0 $ 10,000,000