Capital City Bank Group, Inc. Annual report pursuant to Section 13 and 15(d)

LOANS, NET - information on how TDRs modified (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) LoanContracts	Dec. 31, 2018 USD ($) LoanContracts	Dec. 31, 2017 USD ($) LoanContracts
Financing Receivable, Modifications [Line Items]
Number of Contracts \| LoanContracts	7	6	9
Post-Modified Recorded Investment \| $	$ 494	$ 676	$ 643
Extended Amortization And Interest Rate Adjustment [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| LoanContracts	0	2	1
Post-Modified Recorded Investment \| $	$ 0	$ 303	$ 70
Interest Rate Adjustment [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| LoanContracts	1	1	3
Post-Modified Recorded Investment \| $	$ 25	$ 33	$ 302
Extended Amortization [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| LoanContracts	6	1	4
Post-Modified Recorded Investment \| $	$ 469	$ 27	$ 249
Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| LoanContracts	0	0	1
Post-Modified Recorded Investment \| $	$ 0	$ 0	$ 22
Principal Moratorium [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| LoanContracts	0	2	0
Post-Modified Recorded Investment \| $	$ 0	$ 313	$ 0