Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Jul. 31, 2018
Entity Registrant Name	EVO Payments, Inc.
Entity Central Index Key	0001704596
Document Type	10-Q
Document Period End Date	Jun. 30, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	No
Entity Filer Category	Non-accelerated Filer
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Class A Common Stock
Entity Common Stock, Shares Outstanding		17,295,239
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		24,305,155