CONDENSED FINANCIAL INFORMATION OF AMERIS BANCORP (PARENT COMPANY ONLY) - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income
Securities gains	$ 270	$ 0	$ 0
Total interest income	893,886	703,112	726,503
Expense
Interest expense	92,860	47,785	88,750
Other expense	45,544	53,148	54,870
Income tax benefit	(106,558)	(119,199)	(78,256)
Net income	346,540	376,913	261,988
Ameris Bancorp
Income
Dividends from subsidiaries	50,000	142,000	93,000
Other income	175	101	910
Total interest income	50,445	142,101	93,910
Expense
Interest expense	22,170	19,610	17,616
Other expense	11,154	13,031	8,300
Total noninterest expense	33,324	32,641	25,916
Income before income tax expense	17,121	109,460	67,994
Income tax benefit	8,553	6,878	5,225
Income before equity in undistributed income of subsidiaries	25,674	116,338	73,219
Equity in undistributed income of subsidiaries	320,866	260,575	188,769
Net income	$ 346,540	$ 376,913	$ 261,988