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Investments (Narrative) (Details) - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Investments    
Held-to-maturity securities, allowance for credit losses $ 102,000 $ 59,000
Repurchase agreements secured by available for sale securities 88,000,000 71,600,000
Held to maturity securities pledged as collateral $ 171,000,000 $ 161,200,000