BUSINESS COMBINATIONS (Details Textual)			1 Months Ended	3 Months Ended
	Mar. 11, 2016 USD ($) shares	Jun. 12, 2015 USD ($)	May. 22, 2015 USD ($)	Mar. 31, 2016 USD ($) shares	Dec. 31, 2015 USD ($)	Mar. 31, 2015 USD ($)
Goodwill, excess of the merger consideration over fair value of net assets				$ 121,512,000	$ 90,082,000	$ 63,547,000
Description of Merger Agreement	Under the terms of the merger, JAXBs common shareholders received 0.5861 shares of Ameris common stock or $16.50 in cash for each share of JAXB common stock or nonvoting common stock they previously held, subject to the total consideration being allocated 75% stock and 25% cash
Merchants and Southern Banks of Florida [Member]
Number of banking locations			13
Goodwill, excess of the merger consideration over fair value of net assets			$ 0
Fair value of loans acquired			191,500,000
Net of loans acquired			$ 8,500,000
Estimated discount			4.25%
Accretable yield			$ 11,200,000
Payments to Acquire Businesses, Gross			50,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			14,614,000
Purchase price			50,000,000
Merchants and Southern Banks of Florida [Member] | As Recorded by Acquired Bank [Member]
Goodwill, excess of the merger consideration over fair value of net assets			14,725,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			$ 10,934,000
Bank Of America [Member]
Goodwill, excess of the merger consideration over fair value of net assets		$ 0
Fair value of loans acquired		4,000,000
Net of loans acquired		4,000,000
Accretable yield		$ 364,000
Number Of Bank Branches		18
Deposit Premium On Deposits Assumed		3.00%
Average Daily Deposits Period		15 days
Payments to Acquire Businesses, Gross		$ 20,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		10,348,000
Purchase price		20,002,000
Bank Of America [Member] | As Recorded by Acquired Bank [Member]
Goodwill, excess of the merger consideration over fair value of net assets		11,210,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		$ 10,653,000
Jacksonville Bancorp, Inc [Member]
Goodwill, excess of the merger consideration over fair value of net assets	$ 31,400,000			31,375,000
Issuance of common stock, shares | shares	2,549,469
Accretable yield				28,300,000
Payments to Acquire Businesses, Gross	$ 23,900,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				4,798,000
Discount on loans acquired				$ 15,700,000
Percentage of discount on loans acquired				3.78%
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 72,500,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt				$ 401,100,000
Jacksonville Bancorp, Inc [Member] | As Recorded by Acquired Bank [Member]
Goodwill, excess of the merger consideration over fair value of net assets				$ 0
Issuance of common stock, shares | shares				2,549,469
Payments to Acquire Businesses, Gross				$ 23,936,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				4,798,000
Purchase price				96,392,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned				$ 72,456,000