v3.26.1
INVESTMENT SECURITIES - Reconciliation of investment securities held to maturity (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
INVESTMENT SECURITIES    
Amortized Cost $ 1,416,188 $ 1,515,807
Gross Unrealized Gains 8,017 9,771
Gross Unrealized Losses (46,834) (36,760)
Allowance for Credit Losses 0 0
Estimated Fair Value 1,377,371 1,488,818
U.S. government and agency securities    
INVESTMENT SECURITIES    
Amortized Cost 68,808 78,809
Gross Unrealized Losses (3,299) (2,309)
Estimated Fair Value 65,509 76,500
Obligations of states and political subdivisions    
INVESTMENT SECURITIES    
Amortized Cost 755,313 755,336
Gross Unrealized Losses (37,134) (32,339)
Estimated Fair Value 718,179 722,997
Mortgage-backed securities    
INVESTMENT SECURITIES    
Amortized Cost 592,067 681,662
Gross Unrealized Gains 8,017 9,771
Gross Unrealized Losses (6,401) (2,112)
Estimated Fair Value $ 593,683 $ 689,321