Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Nov. 01, 2018
Entity Registrant Name	EVO Payments, Inc.
Entity Central Index Key	0001704596
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Class A Common Stock
Entity Common Stock, Shares Outstanding		25,378,116
Class B Common Stock
Entity Common Stock, Shares Outstanding		35,913,538
Class C Common Stock
Entity Common Stock, Shares Outstanding		2,560,955
Class D Common Stock
Entity Common Stock, Shares Outstanding		17,282,930