XML 53 R42.htm IDEA: XBRL DOCUMENT v3.25.1
Investment Securities (Narrative) (Details)
 3 Months Ended
Mar. 31, 2025
USD ($)
security
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
security
Debt Securities, Available-for-Sale [Line Items]      
Equity securities, at fair value $ 5,945,000   $ 5,814,000
Provision for (reversal of) credit losses, other debt securities $ (25,000) $ 22,000  
Available-for-sale debt securities, unrealized loss, number of positions | security 115   111
Unrealized loss $ 9,252,000   $ 10,938,000
Debt Securities, available-for-sale, impairment loss 0    
Securities past due or on nonaccrual $ 0   $ 0
Available-for-sale securities, number of positions | security 184   187
Net unrealized losses $ 8,700,000   $ 10,400,000
Restricted securities 20,411,000   20,253,000
Held-to-maturity, amortized cost 469,750,000   481,280,000
Corporate And Municipal Bonds      
Debt Securities, Available-for-Sale [Line Items]      
Provision for (reversal of) credit losses, other debt securities (25,000) 22,000  
Collateral Pledged      
Debt Securities, Available-for-Sale [Line Items]      
Restricted securities 67,805,000   67,926,000
Held-to-maturity, amortized cost 214,583,000   $ 197,474,000
Revision of Prior Period, Change in Accounting Principle, Adjustment      
Debt Securities, Available-for-Sale [Line Items]      
Fair value adjustment through earnings $ 131,000 $ (22,000)