v3.26.1
DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
swap
broker
risk_participation_Agreement
customer
Jun. 30, 2025
USD ($)
risk_participation_Agreement
swap
Jun. 30, 2026
USD ($)
swap
risk_participation_Agreement
broker
customer
Jun. 30, 2025
USD ($)
bank
risk_participation_Agreement
swap
Dec. 31, 2025
USD ($)
customer
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Number of swap terminations 0 0   1  
Swap fee income $ 651 $ 669 $ 1,990 $ 1,063  
Number of matured swap agreement 0 0   1  
Cash collateral held by counterparty for derivatives $ 10,000   10,000   $ 8,000
Cash collateral held from counterparties 2,800   $ 2,800   0
Interest rate swaps - commercial loans          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Number of swap terminations | swap     3    
Number of matured swap agreement | swap     2    
Two interest rate swaps | Cash Flow Hedging | Derivatives designated as hedging instruments:          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, notional amount $ 160,000   $ 160,000    
Interest rate swaps          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Number of new interest rate swaps | swap   7   16  
Interest rate swaps | Interest rate swaps - commercial loans          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Number of new interest rate swaps | swap 4   20    
Swap fee income $ 651 $ 669 $ 2,000 $ 1,100  
Interest rate swaps | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesAndOtherLiabilities          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative liabilities 616,109   616,109   539,225
Interest rate swaps | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative asset $ 616,109   616,109   539,225
Interest rate swaps | Cash Flow Hedging | Derivatives designated as hedging instruments:          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Number of swap terminations | swap 2        
Derivative, notional amount $ 250,000   $ 250,000    
Number of new interest rate swaps | swap   0 1 0  
Interest rate cash flow hedge gain (loss) to be reclassified during next 12 months, net 1,600   $ 1,600    
Interest rate swap-fixed pay          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, notional amount   $ 100,000   $ 100,000  
Derivative instrument, number of derivatives terminated | swap       3  
Interest rate products | Derivatives not designated as hedging instruments:          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, notional amount $ 1,200,000   $ 1,200,000   $ 1,100,000
Number of customers | customer 111   111   96
Third-party broker 111   111   96
Risk participations - sold credit protection | Derivatives not designated as hedging instruments:          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Risk participation agreements with sold protection | risk_participation_Agreement 5   5    
Number of risk participation agreements terminated | risk_participation_Agreement       1  
Number of risk participation agreements, matured | risk_participation_Agreement     1    
Risk participations - sold credit protection | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesAndOtherLiabilities          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative liabilities $ 26,000   $ 26,000   $ 44,600
Risk participations - purchased credit protection | Derivatives not designated as hedging instruments:          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Risk participation agreements with purchase protection | risk_participation_Agreement 6   6    
Risk participations - purchased credit protection | Derivatives not designated as hedging instruments: | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative asset $ 31,500   $ 31,500   $ 31,700
Risk participation agreements | Derivatives not designated as hedging instruments:          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
New risk participation agreements | risk_participation_Agreement 0 0 0 0  
Number of risk participation agreements terminated | risk_participation_Agreement 0