v3.25.3
Derivative Financial Instruments Derivative Financial Instruments - Narrative (Details)
 9 Months Ended
Sep. 30, 2025
USD ($)
instrument
Dec. 31, 2024
USD ($)
instrument
Derivative [Line Items]    
Cash collateral pledged for derivatives $ 30,000,000 $ 71,300,000
CashCollateralPostedForDerivativesInLiabilityPosition $ 10,600,000 $ 31,000,000
Risk participation agreement - participant bank    
Derivative [Line Items]    
Instruments held | instrument 19 17
Non-hedging derivatives, notional amoount $ 228,900,000 $ 228,600,000
Maximum exposure $ 627,000 $ 4,100,000
Risk participation agreement - lead bank    
Derivative [Line Items]    
Instruments held | instrument 46 25
Non-hedging derivatives, notional amoount $ 587,900,000 $ 349,500,000
Interest rate contract    
Derivative [Line Items]    
Unrealized losses, net of tax to AOCI (943,000)  
Amount reclassified from AOCI into interest income on loans 21,600,000  
Amount reclassified from AOCI as a decrease to interest income $ 25,000  
Maximum period to hedge forecasted transactions 2 years 1 month 2 days  
Loans Receivable | Not Designated as Hedging Instrument    
Derivative [Line Items]    
Credit risk exposure, net of collateral pledged, relating to derivatives $ 37,300,000 $ 23,200,000