CONDENSED FINANCIAL INFORMATION OF AMERIS BANCORP (PARENT COMPANY ONLY) - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Assets
Cash and due from banks	$ 172,036	$ 139,313
Other assets	88,397	72,194
Total assets	11,443,515	7,856,203	$ 6,892,031
Liabilities
Other liabilities	57,023	50,334
Other borrowings	151,774	250,554
Subordinated deferrable interest debentures	89,187	85,550
Total liabilities	9,987,168	7,051,724
Shareholders' equity	1,456,347	804,479	646,437
Total liabilities and shareholders’ equity	11,443,515	7,856,203
Ameris Bancorp
Assets
Cash and due from banks	6,977	4,409	$ 457	$ 5,847
Investment in subsidiaries	1,684,810	953,815
Other assets	9,169	31,221
Total assets	1,700,956	989,445
Liabilities
Other liabilities	11,496	25,621
Other borrowings	143,926	73,795
Subordinated deferrable interest debentures	89,187	85,550
Total liabilities	244,609	184,966
Shareholders' equity	1,456,347	804,479
Total liabilities and shareholders’ equity	$ 1,700,956	$ 989,445