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Derivative Financial Instruments - Schedule of Derivative Financial Instruments According to Type of Hedge Designation (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Derivatives not designated as hedging instruments    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 1,503,884 $ 1,409,519
Average Maturity (years) 4 years 2 months 12 days 4 years 4 months 24 days
Fair Value $ 309 $ 198
Derivatives not designated as hedging instruments | Rate-lock mortgage loan commitments    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 29,532 $ 17,180
Average Maturity (years) 1 month 6 days 1 month 6 days
Fair Value $ 166 $ 230
Derivatives not designated as hedging instruments | Mandatory commitments to sell mortgage loans    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 46,740 $ 24,909
Average Maturity (years) 1 month 6 days 1 month 6 days
Fair Value $ 143 $ (32)
Fixed Income Interest Rate | Derivatives not designated as hedging instruments | Interest Rate Swap | Commercial    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 713,806 $ 683,715
Average Maturity (years) 4 years 6 months 4 years 6 months
Fair Value $ 183 $ (3,345)
Variable Income Interest Rate | Derivatives not designated as hedging instruments | Interest Rate Swap | Commercial    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 713,806 $ 683,715
Average Maturity (years) 4 years 6 months 4 years 6 months
Fair Value $ (183) $ 3,345
Fair Value Hedging    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 325,002 $ 412,107
Average Maturity (years) 1 year 8 months 12 days 1 year 9 months 18 days
Fair Value $ 6,359 $ 5,120
Fair Value Hedging | Interest rate cap agreements    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 40,970 $ 40,970
Average Maturity (years) 2 years 1 month 6 days 2 years 3 months 18 days
Fair Value $ 90 $ 32
Fair Value Hedging | Fixed Income Interest Rate | Interest Rate Swap | Commercial    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 5,137 $ 5,242
Average Maturity (years) 3 years 1 month 6 days 3 years 4 months 24 days
Fair Value $ 190 $ 175
Fair Value Hedging | Fixed Income Interest Rate | Interest Rate Swap | Installment    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 50,000 $ 100,000
Average Maturity (years) 1 year 3 months 18 days 1 year 4 months 24 days
Fair Value $ (137) $ (824)
Fair Value Hedging | Fixed Income Interest Rate | Interest Rate Swap | Mortgage    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 80,000 $ 117,000
Average Maturity (years) 1 year 8 months 12 days 1 year 8 months 12 days
Fair Value $ (536) $ (1,186)
Fair Value Hedging | Fixed Income Interest Rate | Pay-fixed interest rate swap agreements - securities available for sale    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 148,895 $ 148,895
Average Maturity (years) 1 year 7 months 6 days 1 year 9 months 18 days
Fair Value $ 6,752 $ 6,923
Cash Flow Hedging    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 550,000 $ 500,000
Average Maturity (years) 2 years 1 year 9 months 18 days
Fair Value $ 4,727 $ 4,715
Cash Flow Hedging | Interest rate floor agreements - commercial    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 500,000 $ 450,000
Average Maturity (years) 2 years 1 year 9 months 18 days
Fair Value $ 4,586 $ 4,669
Cash Flow Hedging | Interest rate cap agreements - short-term funding liabilities    
Derivative Instrument Detail [Abstract]    
Notional Amount $ 50,000 $ 50,000
Average Maturity (years) 1 year 10 months 24 days 2 years 1 month 6 days
Fair Value $ 141 $ 46