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Derivative Financial Instruments - Fair Value of Derivative Instruments on the Balance Sheet (Details) - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Derivatives, Fair Value [Line Items]    
Notional Amount $ 1,052,236,000 $ 767,070,000
Fair Values 173,000 636,000
Interest Rate Swaps | Derivatives designated as fair value hedging instruments: | Fair value hedges    
Derivatives, Fair Value [Line Items]    
Notional Amount 43,940,000 0
Interest Rate Swaps | Derivatives designated as fair value hedging instruments: | Other Liabilities | Fair value hedges    
Derivatives, Fair Value [Line Items]    
Notional Amount 43,940,000 0
Fair Values (823,000) 0
Interest Rate Swaps | Derivatives Not Designated as Hedging Instruments | Other Liabilities    
Derivatives, Fair Value [Line Items]    
Notional Amount 482,123,000 358,527,000
Fair Values (14,687,000) (14,959,000)
Interest Rate Swaps | Derivatives Not Designated as Hedging Instruments | Other Assets    
Derivatives, Fair Value [Line Items]    
Notional Amount 488,323,000 365,042,000
Fair Values 14,860,000 15,264,000
Interest Rate Cap | Derivatives Not Designated as Hedging Instruments | Other Liabilities    
Derivatives, Fair Value [Line Items]    
Notional Amount 25,000,000 0
Fair Values (8,000) 0
Interest Rate Cap | Derivatives Not Designated as Hedging Instruments | Other Assets    
Derivatives, Fair Value [Line Items]    
Notional Amount 25,000,000 0
Fair Values 8,000 0
Risk participation agreements included in other liabilities | Derivatives Not Designated as Hedging Instruments | Other Liabilities    
Derivatives, Fair Value [Line Items]    
Notional Amount 31,790,000 32,494,000
Fair Values 0 0
Interest rate-lock commitments on residential mortgage loans included in other assets | Derivatives Not Designated as Hedging Instruments | Other Assets    
Derivatives, Fair Value [Line Items]    
Notional Amount 0 11,007,000
Fair Values $ 0 $ 331,000