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Securities & Allowance for Securities Credit Losses - Narrative (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2024
USD ($)
position
security
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
position
security
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
position
Dec. 31, 2022
USD ($)
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]            
Securities $ 0   $ 0   $ 0  
Proceeds from debt securities, available-for-sale     80,964,000 $ 28,378,000    
Proceeds from calls, maturities and paydowns     5,471,000 248,000    
Charge off     $ 210,000      
Available-for-sale, number of positions | position 792   792      
Held to maturity number of positions | position         880  
Available sale of securities, percentage of impairment in amortized cost basis 3.80%   3.80%      
Held to maturity securities, percentage of impairment in amortized cost basis         6.00%  
Allowance for credit loss $ 0 $ 0 $ 0 0 $ 0 $ 0
Debt securities, held to maturity non-accrual 0   0      
Equity securities, gain (loss) $ 18,000 (15,000) $ 11,000 (15,000)    
U.S. government and federal agencies            
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]            
Available-for-sale, number of positions | position 46   46      
Available-for-sale, number of securities | security 61   61      
Allowance for credit loss $ 0 0 $ 0 0 0 0
Mortgage backed securities            
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]            
Available-for-sale, number of positions | position 15   15      
Available-for-sale, number of securities | security 20   20      
Allowance for credit loss $ 0   $ 0   0  
Corporate Bonds            
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]            
Available-for-sale, number of positions | position 89   89      
Available-for-sale, number of securities | security 108   108      
Allowance for credit loss $ 0 0 $ 0 0 0 0
State and municipal securities            
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items]            
Available-for-sale, number of positions | position 269   269      
Available-for-sale, number of securities | security 306   306      
Allowance for credit loss $ 0 $ 0 $ 0 $ 0 $ 0 $ 0