v3.26.1
Fair Value Measurements - Investments measured at NAV (Details) - Colony Bankcorp, Inc. 401(k) Plan - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Fair Value Measurements    
Unfunded commitments $ 0  
Investments measured at NAV practical expedient (a) | Pooled Separate Account    
Fair Value Measurements    
Fair Value   $ 75,315
Unfunded commitments $ 0  
Redemption Notice Period 1 day