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Fair Value Measurements (Narrative) (Details) - USD ($)
9 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Other real estate owned $ 0 $ 0 $ 566,000
Fair Value, Nonrecurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, fair value adjustment 0    
Fair Value, Nonrecurring [Member] | OREO [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, fair value adjustment $ 0