CONDENSED FINANCIAL INFORMATION OF AMERIS BANCORP (PARENT COMPANY ONLY) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Assets
Cash and due from banks	$ 118,518	$ 78,036
Other assets	72,004	77,748
Total assets	5,588,940	4,037,077	$ 3,667,649
Liabilities
Other liabilities	22,432	22,384
Other borrowings	39,000	78,881
Subordinated deferrable interest debentures	69,874	65,325
Total liabilities	5,074,181	3,671,049
Stockholders’ equity	514,759	366,028	316,699
Total liabilities and stockholders’ equity	5,588,940	4,037,077
Parent Company [Member]
Assets
Cash and due from banks	5,847	868	$ 3,550	$ 1,639
Investment in subsidiaries	617,134	470,557
Other assets	6,717	6,552
Total assets	629,698	477,977
Liabilities
Other liabilities	6,065	7,624
Other borrowings	39,000	39,000
Subordinated deferrable interest debentures	69,874	65,325
Total liabilities	114,939	111,949
Stockholders’ equity	514,759	366,028
Total liabilities and stockholders’ equity	$ 629,698	$ 477,977