XML 38 R27.htm IDEA: XBRL DOCUMENT v3.24.3
Securities - Narrative (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
USD ($)
security
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
security
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Investments, Debt and Equity Securities [Abstract]          
Securities $ 697,700,000   $ 697,700,000    
Securities AFS 560,555,000   560,555,000   $ 570,092,000
Unrealized loss for debt securities, decrease     12,700,000    
Accumulated unrealized loss on AFS securities 49,500,000   49,500,000    
Securities available-for-sale, at amortized cost 134,145,000   134,145,000   141,236,000
Maturities, principal repayments, and calls     117,300,000    
Securities purchased     87,796,000 $ 34,581,000  
Securities sold     0    
Debt securities, held-to-maturity, sale     0    
Debt securities, held-to-maturity, purchase     0    
Available-for-sale, allowance for credit loss 0   0   0
Held-to-maturity, allowance for credit loss 0   0   0
Accrued interest receivables, available for sale and held to maturity securities $ 3,000,000   $ 3,000,000   3,000,000
Available-for-sale, number of securities in unrealized loss positions | security 449   449    
Securities in a loss position as a proportion of AFS securities (as a percent) 8.36%   8.36%    
Proceeds from sales and calls of debt securities $ 0 $ 0 $ 0 0  
Equity securities, at fair value 3,028,000   3,028,000   2,965,000
Gain (loss) on equity securities 107,000 $ (113,000) 63,000 $ (145,000) (14,000)
Securities pledged as collateral $ 225,800,000   $ 225,800,000   $ 230,900,000