Segment Information - Information on segments & reconciliations (Details) - USD ($) $ in Thousands	3 Months Ended		4 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Segment Information
Revenue	$ 144,758	$ 132,646		$ 413,931	$ 366,165
Segment profit	8,277	(4,717)		(71,595)	(16,586)
Depreciation and amortization	(20,488)	(19,806)		(61,308)	(55,479)
Net interest expense	(10,076)	(15,626)		(45,831)	(45,565)
Income tax benefit (expense)	(32,155)	(5,377)		(7,974)	(14,734)
Share-based compensation	(2,021)			(53,284)
Net Loss	(23,878)	(10,094)		(79,569)	(31,320)
Less: Net (loss) income attributable to non-controlling interests of EVO Investco, LLC	(1,078)			73,328
Net income attributable to EVO Payments, Inc.	(27,389)		$ (10,675)	(10,675)
Capital expenditures	12,993	10,239		38,963	24,389
Total assets	1,692,069		1,692,069	1,692,069		$ 1,508,298
Operating
Segment Information
Segment profit	46,947	37,473		116,273	98,504
Corporate
Segment Information
Segment profit	(8,518)	(8,923)		(31,879)	(19,065)
North America
Segment Information
Revenue	79,487	75,042		232,687	216,956
Capital expenditures	7,010	2,944		19,802	8,029
Total assets	1,138,628		1,138,628	1,138,628		1,010,859
North America | Operating
Segment Information
Segment profit	30,962	21,372		73,616	57,009
Europe
Segment Information
Revenue	65,271	57,604		181,244	149,209
Capital expenditures	5,983	7,295		19,161	16,360
Total assets	553,441		$ 553,441	553,441		$ 497,439
Europe | Operating
Segment Information
Segment profit	$ 15,985	$ 16,101		$ 42,657	$ 41,495