Annual report [Section 13 and 15(d), not S-K Item 405]

REGULATORY MATTERS (Schedule of Company and Bank's Actual Capital Amounts and Ratios) (Details)

v3.25.0.1
REGULATORY MATTERS (Schedule of Company and Bank's Actual Capital Amounts and Ratios) (Details)
$ in Thousands
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Capital City Bank Group [Member]    
Actual [Abstract]    
Common Equity Tier 1 $ 412,445 $ 373,206
Tier 1 Capital 463,445 424,206
Total Capital 494,851 457,339
Tier 1 leverage $ 463,445 $ 424,206
Common Equity Tier 1, percent 0.1554 0.1352
Tier 1 Capital, percent 0.1746 0.1537
Total Capital, percent 0.1864 0.1657
Tier 1 Leverage, percent 0.1105 0.1030
Required for Capital Adequacy Purposes [Abstract]    
Common Equity Tier 1, Required for Capital $ 119,437 $ 124,192
Tier I Capital, Required for Capital 159,249 165,589
Total Capital, Required for Capital 212,332 220,785
Tier 1 Leverage, Required for Capital $ 167,764 $ 164,691
Common Equity Tier 1, Required for Capital, percent 0.0450 0.0450
Tier 1 Capital, Required for Capital, percent 0.0600 0.0600
Total Capital, Required for Capital, percent 0.0800 0.0800
Tier I Leverage, Required for Capital, percent 0.0400 0.0400
Capital City Bank [Member]    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Statutory Amount Available for Dividend Payments without Regulatory Approval $ 50,200  
Actual [Abstract]    
Common Equity Tier 1 405,313 $ 383,211
Tier 1 Capital 405,313 383,211
Total Capital 436,719 416,343
Tier 1 leverage $ 405,313 $ 383,211
Common Equity Tier 1, percent 0.1524 0.1389
Tier 1 Capital, percent 0.1524 0.1389
Total Capital, percent 0.1642 0.1509
Tier 1 Leverage, percent 0.0967 0.0931
Required for Capital Adequacy Purposes [Abstract]    
Common Equity Tier 1, Required for Capital $ 119,708 $ 124,158
Tier I Capital, Required for Capital 159,611 165,545
Total Capital, Required for Capital 212,814 220,726
Tier 1 Leverage, Required for Capital $ 167,627 $ 164,680
Common Equity Tier 1, Required for Capital, percent 0.0450 0.0450
Tier 1 Capital, Required for Capital, percent 0.0600 0.0600
Total Capital, Required for Capital, percent 0.0800 0.0800
Tier I Leverage, Required for Capital, percent 0.0400 0.0400
To Be Well Capitalized Under Prompt Corrective Action Provisions [Abstract]    
Common Equity Tier 1, Well-Capitalized $ 172,912 $ 179,340
Tier 1 Capital, Well-Capitalized 212,814 220,726
Total Capital, Well-Capitalized 266,018 275,908
Tier 1 Leverage, Well-Capitalized $ 209,533 $ 205,850
Common Equity Tier 1, Well-Capitalized, percent 0.0650 0.0650
Tier 1 Capital, Well-Capitalized, percent 0.0800 0.0800
Total Capital, Well-Capitalized, percent 0.1000 0.1000
Tier 1 Leverage, Well-Capitalized, percent 0.0500 0.0500