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Securities - Narrative (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
USD ($)
security
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
security
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Investments, Debt and Equity Securities [Abstract]          
Securities $ 697,300,000   $ 697,300,000    
Securities AFS 566,981,000   566,981,000   $ 550,148,000
Unrealized loss for debt securities     2,200,000    
Accumulated unrealized loss on AFS securities (61,100,000)   (61,100,000)    
Securities available-for-sale, at amortized cost 127,305,000   127,305,000   131,796,000
Payments to acquire investments     68,500,000    
Maturities, principal repayments, and calls     58,400,000    
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 474   474    
Securities in a loss position as a proportion of AFS securities (as a percent) 9.87%   9.87%    
Proceeds from sale of debt securities $ 0 $ 0 $ 0 $ 0  
Equity securities, at fair value 2,990,000   2,990,000   2,937,000
Gain (Loss) on equity securities 9,000 $ (13,000) 53,000 $ (44,000) (28,000)
Securities pledged as collateral $ 222,200,000   $ 222,200,000   $ 226,500,000