v3.26.1
DERIVATIVE FINANCIAL INSTRUMENTS - Summary of Components of Interest Rate Swaps (Details) - Derivatives
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Interest rate swaps - commercial loans    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Weighted Average Pay Rate 3.62%  
Weighted Average Receive Rate 3.92%  
Weighted Average Maturity in Years 2 years  
Interest rate swaps - FHLB advances and brokered deposits    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Weighted Average Pay Rate   3.35%
Weighted Average Receive Rate   3.93%
Weighted Average Maturity in Years   2 years 6 months