Cover Page - shares	6 Months Ended
	Jun. 30, 2019	Aug. 01, 2019
Cover page.
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2019
Document Transition Report	false
Entity File Number	001-13901
Entity Registrant Name	AMERIS BANCORP
Entity Incorporation, State or Country Code	GA
Entity Tax Identification Number	58-1456434
Entity Address, Address Line One	310 First Street, S.E.
Entity Address, City or Town	Moultrie,
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	31768
City Area Code	(229)
Local Phone Number	890-1111
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Title of 12(b) Security	Common Stock, par value $1 per share
Trading Symbol	ABCB
Security Exchange Name	NASDAQ
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		69,519,889
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Entity Central Index Key	0000351569
Current Fiscal Year End Date	--12-31