FINANCIAL INFORMATION OF COLONY BANKCORP, INC. (PARENT ONLY) - Statements of Operations, Parent Company (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Interest income
Interest on deposits with banks	$ 2,341	$ 886
Total interest income	124,916	91,537
Expenses
Salaries and employee benefits	49,233	52,809
Income tax benefit	5,466	3,310
Net income	21,747	19,542
Parent Company
Interest income
Interest on deposits with banks	3	0
Dividends from subsidiaries	1,055	10,295
Total interest income	1,196	10,317
Expenses
Interest	3,920	2,299
Salaries and employee benefits	457	457
Other	254	450
Total expenses	4,631	3,206
Income before income taxes	(3,435)	7,111
Income tax benefit	(680)	(914)
Income (loss) before equity in undistributed earnings of subsidiaries	(2,755)	8,025
Equity in undistributed earnings of subsidiaries	24,502	11,517
Net income	21,747	19,542
Parent Company | Financial Service, Other
Interest income
Other	$ 138	$ 22