CONDENSED FINANCIAL INFORMATION OF AMERIS BANCORP (PARENT COMPANY ONLY) - Schedule of Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash and due from banks	$ 230,470	$ 284,567
Other assets	454,603	416,213
Total assets	25,203,699	25,053,286	$ 23,858,321
Liabilities
Other liabilities	428,542	389,090
Other borrowings	509,586	1,875,736
Subordinated deferrable interest debentures	130,315	128,322
Total liabilities	21,776,952	21,855,886
Shareholders' equity	3,426,747	3,197,400	$ 2,966,451	$ 2,647,088
Total liabilities and shareholders’ equity	25,203,699	25,053,286
Ameris Bancorp
Assets
Cash and due from banks	165,179	153,099
Investment in subsidiaries	3,611,093	3,477,917
Other assets	29,898	19,896
Total assets	3,806,170	3,650,912
Liabilities
Other liabilities	33,766	23,985
Other borrowings	215,342	301,205
Subordinated deferrable interest debentures	130,315	128,322
Total liabilities	379,423	453,512
Shareholders' equity	3,426,747	3,197,400
Total liabilities and shareholders’ equity	$ 3,806,170	$ 3,650,912