v3.26.1
INVESTMENT SECURITIES - Credit ratings (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
INVESTMENT SECURITIES    
Amortized Cost $ 1,416,188 $ 1,515,807
Obligations of states and political subdivisions    
INVESTMENT SECURITIES    
Amortized Cost 755,313 755,336
AA | Obligations of states and political subdivisions    
INVESTMENT SECURITIES    
Amortized Cost 550,000 550,000
A | Obligations of states and political subdivisions    
INVESTMENT SECURITIES    
Amortized Cost $ 205,313 $ 205,336