CONDENSED FINANCIAL INFORMATION OF AMERIS BANCORP (PARENT COMPANY ONLY) (Details 1) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income
Total income	$ 62,956	$ 62,210	$ 59,340	$ 54,559	$ 52,601	$ 51,195	$ 44,229	$ 42,368	$ 239,065	$ 190,393	$ 164,566
Expense
Interest expense	5,677	5,143	4,751	4,123	3,983	3,796	3,541	3,536	19,694	14,856	14,680
Other expense									25,308	24,405	15,210
Total expense	54,660	53,199	52,359	49,241	51,221	47,950	51,152	40,812	215,835	199,115	150,869
Earnings before income tax benefit and equity in undistributed income of subsidiaries	25,164	31,921	29,720	18,441	17,444	22,995	1,794	14,511	105,246	56,744	56,205
Income tax benefit	6,987	10,364	9,671	6,124	3,296	7,368	486	4,747	33,146	15,897	17,482
Net income	$ 18,177	$ 21,557	$ 20,049	$ 12,317	$ 14,148	$ 15,627	$ 1,308	$ 9,764	72,100	40,847	38,723
Preferred stock dividends									0	0	286
Net income available to common shareholders									72,100	40,847	38,437
Parent Company [Member]
Income
Dividends from subsidiaries									34,631	10,000	29,000
Other income									208	59	235
Total income									34,839	10,059	29,235
Expense
Interest expense									6,280	4,813	4,558
Other expense									2,825	1,521	2,253
Total expense									9,105	6,334	6,811
Earnings before income tax benefit and equity in undistributed income of subsidiaries									25,734	3,725	22,424
Income tax benefit									2,972	2,382	2,468
Earnings before equity in undistributed income of subsidiaries									28,706	6,107	24,892
Equity in undistributed income of subsidiaries									43,394	34,740	13,831
Net income									72,100	40,847	38,723
Preferred stock dividends									0	0	286
Net income available to common shareholders									$ 72,100	$ 40,847	$ 38,437