v3.26.1
DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Cash pledged to secure obligations under derivative contracts | Not Designated as Hedging Instrument    
Derivative [Line Items]    
Variable rate, commercial loans that are supported by the interest rate swap contracts $ 1,330,000 $ 1,160,000
Cash pledged to secure obligations under derivative contracts | Cash Flow Hedging | Designated as Hedging Instrument    
Derivative [Line Items]    
Notional amount 800,000 500,000
Prime Loan Swap | Designated as Hedging Instrument    
Derivative [Line Items]    
Notional amount 300,000  
Prime Loan Swap | Cash Flow Hedging    
Derivative [Line Items]    
Notional amount 300,000 300,000
SOFR Loan Swaps | Designated as Hedging Instrument    
Derivative [Line Items]    
Notional amount 500,000  
SOFR Loan Swaps | Cash Flow Hedging    
Derivative [Line Items]    
Notional amount $ 500,000 $ 200,000