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Investments - Schedule of Derivative Investments (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2025
Dec. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]      
Notional amounts $ 1,571,000 $ 1,571,000 $ 1,571,000
Derivative assets (liabilities) 199,000 199,000 220,000
Unrealized gain(loss) 0 (21,000) 220,000
Call Option      
Derivative Instruments, Gain (Loss) [Line Items]      
Notional amounts 8,000 8,000 8,000
Derivative assets (liabilities) 199,000 199,000 220,000
Unrealized gain(loss)   (21,000) 220,000
Put Option      
Derivative Instruments, Gain (Loss) [Line Items]      
Notional amounts $ 1,563,000 $ 1,563,000 $ 1,563,000