CONDENSED FINANCIAL INFORMATION OF AMERIS BANCORP (PARENT COMPANY ONLY) - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and due from banks	$ 246,234	$ 172,036
Other assets	259,886	88,397
Total assets	18,242,579	11,443,515	$ 7,856,203
Liabilities
Other liabilities	179,378	57,023
Other borrowings	1,398,709	151,774
Subordinated deferrable interest debentures	127,560	89,187
Total liabilities	15,772,997	9,987,168
Shareholders' equity	2,469,582	1,456,347	$ 804,479	$ 646,437
Total liabilities and shareholders’ equity	18,242,579	11,443,515
Ameris Bancorp
Assets
Cash and due from banks	102,392	6,977
Investment in subsidiaries	2,688,952	1,684,810
Other assets	16,667	9,169
Total assets	2,808,011	1,700,956
Liabilities
Other liabilities	19,220	11,496
Other borrowings	191,649	143,926
Subordinated deferrable interest debentures	127,560	89,187
Total liabilities	338,429	244,609
Shareholders' equity	2,469,582	1,456,347
Total liabilities and shareholders’ equity	$ 2,808,011	$ 1,700,956