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

ACCUMULATED OTHER COMPREHENSIVE LOSS (Activity in Accumulated Other Comprehensive Loss, Net of Tax) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Activity in accumulated other comprehensive loss, net of tax
Balance, Beginning	$ (37,229)
Other comprehensive (loss) income during the period	15,083	$ (21,015)	$ 27,928
Balance, Ending	(22,146)	(37,229)
Interest Rate Swaps [Member]
Activity in accumulated other comprehensive loss, net of tax
Balance, Beginning	4,625	1,530	428
Other comprehensive (loss) income during the period	(655)	3,095	1,102
Balance, Ending	3,970	4,625	1,530
Securities Available For Sale [Member]
Activity in accumulated other comprehensive loss, net of tax
Balance, Beginning	(37,349)	(4,588)	2,700
Other comprehensive (loss) income during the period	11,658	(32,761)	(7,288)
Balance, Ending	(25,691)	(37,349)	(4,588)
Retirement Plan [member]
Activity in accumulated other comprehensive loss, net of tax
Balance, Beginning	(4,505)	(13,156)	(47,270)
Other comprehensive (loss) income during the period	4,080	8,651	34,114
Balance, Ending	(425)	(4,505)	(13,156)
Accumulated Other Comprehensive (Loss) Income [Member]
Activity in accumulated other comprehensive loss, net of tax
Balance, Beginning	(37,229)	(16,214)	(44,142)
Other comprehensive (loss) income during the period	15,083	(21,015)	27,928
Balance, Ending	$ (22,146)	$ (37,229)	$ (16,214)

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.