v3.26.1
Group Annuity Contract (Details) - Colony Bankcorp, Inc. 401(k) Plan - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Group Annuity Contract    
Investment value $ 2,851,610 $ 3,833,720
Minimum crediting rate 0.00%  
Market value adjustments or surrender charge adjustments $ 0  
Holding period for equity wash 90 days  
Credit risk reserve $ 0  
Unfunded commitments $ 0  
Surrender charge 10.00%  
Excess percentage of withdrawal, surrender charge levied 20.00%