Annual report pursuant to Section 13 and 15(d)

REGULATORY MATTERS 2 (Details)

v3.6.0.2
REGULATORY MATTERS 2 (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Banking and Thrift [Abstract]    
Description of Factors that May Affect Capital Adequacy The capital conservation buffer is being phased in as follows: 0.625% in 2016, 1.25% in 2017, 1.875% in 2018, and 2.50% in 2019.  
Capital City Bank Group [Member]    
Actual [Abstract]    
Common Equity Tier 1 $ 220,211 $ 215,075
Tier I capital to total average assets 270,801 275,075
Capital 284,232 289,028
Tier 1 leverage $ 270,801 $ 275,075
Common Equity Tier 1, percent 12.61% 12.84%
Tier 1 Based Capital, percent 15.51% 16.42%
Total Capital, percent 16.28% 17.25%
Tier 1 Leverage, percent 10.23% 10.65%
Required for Capital Adequacy Purposes [Abstract]    
Common Equity Tier 1, Required for Capital $ 78,587 $ 75,385
Tier I Capital, Requied for Capital 104,783 100,513
Total Capital, Requied for Capital 139,710 134,018
Tier 1 Leverage, Required for Capital $ 105,909 $ 103,342
Common Equity Tier 1, Required for Capital, percent 4.50% 4.50%
Tier 1 Capital, Required for Capital, percent 6.00% 6.00%
Total Capital, Required for Capital, percent 8.00% 8.00%
Tier I Leverage, Required for Capital, percent 4.00% 4.00%
Capital City Bank [Member]    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Statutory Amount Available for Dividend Payments without Regulatory Approval $ 200  
Actual [Abstract]    
Common Equity Tier 1 268,811 $ 266,138
Tier I capital to total average assets 268,811 266,138
Capital 282,242 280,901
Tier 1 leverage $ 268,811 $ 266,138
Common Equity Tier 1, percent 15.44% 15.93%
Tier 1 Based Capital, percent 15.44% 15.93%
Total Capital, percent 16.21% 16.77%
Tier 1 Leverage, percent 10.18% 10.33%
Required for Capital Adequacy Purposes [Abstract]    
Common Equity Tier 1, Required for Capital $ 78,356 $ 75,162
Tier I Capital, Requied for Capital 104,475 100,216
Total Capital, Requied for Capital 139,300 133,621
Tier 1 Leverage, Required for Capital $ 105,652 $ 103,095
Common Equity Tier 1, Required for Capital, percent 4.50% 4.50%
Tier 1 Capital, Required for Capital, percent 6.00% 6.00%
Total Capital, Required for Capital, percent 8.00% 8.00%
Tier I Leverage, Required for Capital, percent 4.00% 4.00%
To Be Well Capitialized Under Prompt Corrective Action Provisions [Abstract]    
Common Equity Tier 1, Well-Capitialized $ 113,182 $ 108,567
Tier 1 Capital, Well-Capitalized 139,300 133,621
Total Capital, Well-Capitalized 174,126 167,026
Tier 1 Leverage, Well-Capitalized $ 132,066 $ 128,869
Common Equity Tier 1, Well-Capitalized, percent 6.50% 6.50%
Tier 1 Capital, Well-Capitalized, percent 8.00% 8.00%
Total Capital, Well-Capitalized, percent 10.00% 10.00%
Tier 1 Leverage, Well-Capitalized, percent 5.00% 5.00%