v3.25.4
JUNIOR SUBORDINATED DEBENTURES ISSUED TO CAPITAL TRUSTS - Interest Rate and Maturities (Details)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Heartland Bancorp, Inc. Capital Trust B    
SUBORDINATED NOTES    
Spread on interest rate basis 3.01%  
Interest Rate 6.92% 7.67%
Heartland Bancorp, Inc. Capital Trust C    
SUBORDINATED NOTES    
Spread on interest rate basis 1.79%  
Interest Rate 5.51% 6.15%
Heartland Bancorp, Inc. Capital Trust D    
SUBORDINATED NOTES    
Spread on interest rate basis 1.61%  
Interest Rate 5.33% 5.97%
FFBI Capital Trust I    
SUBORDINATED NOTES    
Spread on interest rate basis 3.06%  
Interest Rate 6.97% 7.72%
National Bancorp Statutory Trust I    
SUBORDINATED NOTES    
Spread on interest rate basis 3.16%  
Interest Rate 6.88% 7.52%
Town and Country Statutory Trust II    
SUBORDINATED NOTES    
Spread on interest rate basis 3.05%  
Interest Rate 6.76% 7.40%
Town and Country Statutory Trust III    
SUBORDINATED NOTES    
Spread on interest rate basis 1.94%  
Interest Rate 5.66% 6.30%
West Plains Investors Statutory Trust I    
SUBORDINATED NOTES    
Spread on interest rate basis 1.71%  
Interest Rate 5.43% 6.07%