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Regulatory Capital Matters - Summary of Regulatory Capital Information (Details)
$ in Thousands
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Total Capital to Risk-Weighted Assets    
Actual Amount $ 265,390 $ 207,366
Actual Ratio 0.1540 0.1205
For Capital Adequacy Purposes, Amount $ 137,865 $ 137,670
For Capital Adequacy Purposes, Ratio 0.0800 0.0800
Tier 1 Capital to Risk-Weighted Assets    
Actual Amount $ 252,471 $ 194,456
Actual Ratio 0.1465 0.1128
For Capital Adequacy Purposes, Amount $ 103,401 $ 103,434
For Capital Adequacy Purposes, Ratio 0.0600 0.0600
Common Equity Tier 1 Capital to Risk-Weighted Assets    
Actual Amount $ 228,971 $ 170,956
Actual Ratio 0.1329 0.0987
For Capital Adequacy Purposes, Amount $ 77,530 $ 77,943
For Capital Adequacy Purposes, Ratio 4.50% 4.50%
Tier 1 Capital to Average Assets    
Actual Amount $ 252,471 $ 194,456
Actual Ratio 0.0947 0.0725
For Capital Adequacy Purposes, Amount $ 106,640 $ 107,286
For Capital Adequacy Purposes, Ratio 0.0400 0.0400
Colony Bank    
Total Capital to Risk-Weighted Assets    
Actual Amount $ 227,722 $ 203,265
Actual Ratio 0.1323 0.1218
For Capital Adequacy Purposes, Amount $ 137,695 $ 133,507
For Capital Adequacy Purposes, Ratio 0.0800 0.0800
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 172,119 $ 166,884
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.1000 0.1000
Tier 1 Capital to Risk-Weighted Assets    
Actual Amount $ 214,803 $ 190,355
Actual Ratio 0.1248 0.1141
For Capital Adequacy Purposes, Amount $ 103,272 $ 100,099
For Capital Adequacy Purposes, Ratio 0.0600 0.0600
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 137,695 $ 133,465
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.0800 0.0800
Common Equity Tier 1 Capital to Risk-Weighted Assets    
Actual Amount $ 214,803 $ 190,355
Actual Ratio 0.1248 0.1141
For Capital Adequacy Purposes, Amount $ 77,454 $ 75,074
For Capital Adequacy Purposes, Ratio 4.50% 4.50%
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 111,877 $ 108,441
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 6.50% 6.50%
Tier 1 Capital to Average Assets    
Actual Amount $ 214,803 $ 190,355
Actual Ratio 0.0816 0.0753
For Capital Adequacy Purposes, Amount $ 105,245 $ 101,118
For Capital Adequacy Purposes, Ratio 0.0400 0.0400
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 131,557 $ 126,398
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.0500 0.0500