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Investment Securities - Narrative (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
security
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
security
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
security
Debt Securities, Available-for-Sale [Line Items]          
Equity securities $ 6,010,000   $ 6,010,000   $ 5,814,000
Fair value adjustment through earnings 65,000 $ 18,000 $ 196,000 $ (171,000)  
Provision for (reversal of) credit losses, other debt securities $ 21,000 (8,000)      
Available for sale securities, number of positions | security 118   118   111
Unrealized loss $ 8,285,000   $ 8,285,000   $ 10,938,000
Debt Securities, available-for-sale, impairment loss     0    
Securities past due or on nonaccrual $ 0   $ 0   $ 0
Held to maturity securities, number of positions | security 181   181   187
Net unrealized losses $ 7,700,000   $ 7,700,000   $ 10,400,000
Restricted securities 20,412,000   20,412,000   20,253,000
Held-to-maturity, amortized cost 459,445,000   459,445,000   481,280,000
Collateral Pledged          
Debt Securities, Available-for-Sale [Line Items]          
Restricted securities 69,878,000   69,878,000   67,926,000
Held-to-maturity, amortized cost 212,963,000   212,963,000   $ 197,474,000
Corporate and Municipal Bonds          
Debt Securities, Available-for-Sale [Line Items]          
Provision for (reversal of) credit losses, other debt securities $ 21,000 $ (8,000) $ (4,000) $ 14,000