FINANCIAL INFORMATION OF COLONY BANKCORP, INC. (PARENT ONLY) - Schedule of Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
ASSETS
Other	$ 31,350	$ 27,999
Total assets	3,109,782	3,053,422
Liabilities
Other	15,125	15,252
Total liabilities	2,831,107	2,798,487
Stockholders’ Equity
Common stock, par value $1.00 per share; 50,000,000 shares authorized, 17,519,884 and 17,564,182 shares issued and outstanding as of December 31, 2024 and 2023, respectively	17,520	17,564
Paid-in capital	168,353	168,614
Retained earnings	140,369	124,400
Accumulated other comprehensive loss, net of tax	(47,567)	(55,643)
Total stockholders’ equity	278,675	254,935	$ 230,268
Total liabilities and stockholders’ equity	3,109,782	3,053,422
Parent Company
ASSETS
Cash	28,692	29,057
Investment in subsidiaries	305,918	283,968
Other	7,297	6,413
Total assets	341,907	319,438
Liabilities
Other	193	1,058
Subordinated notes	38,810	39,216
Subordinated debentures	24,229	24,229
Total liabilities	63,232	64,503
Stockholders’ Equity
Common stock, par value $1.00 per share; 50,000,000 shares authorized, 17,519,884 and 17,564,182 shares issued and outstanding as of December 31, 2024 and 2023, respectively	17,520	17,564
Paid-in capital	168,353	168,614
Retained earnings	140,369	124,400
Accumulated other comprehensive loss, net of tax	(47,567)	(55,643)
Total stockholders’ equity	278,675	254,935
Total liabilities and stockholders’ equity	$ 341,907	$ 319,438