Segment Information - Information on segments & reconciliations (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Segment Information
Revenue		$ 140,891	$ 123,899	$ 269,173	$ 233,519
Segment profit		(69,276)	(2,328)	(79,873)	(11,869)
Depreciation and amortization		(20,933)	(18,613)	(40,820)	(35,673)
Net interest expense		(20,929)	(15,247)	(35,755)	(29,939)
Income tax benefit (expense)		28,609	(5,543)	24,181	(9,357)
Share-based compensation		(51,263)		(51,263)
Net Loss		(40,667)	(7,871)	(55,692)	(21,226)
Less: Net loss attributable to non-controlling interests of EVO Investco, LLC		58,613		74,406
Net income attributable to EVO Payments, Inc.	$ 16,713	16,713		16,713
Capital expenditures		17,380	6,752	25,970	14,150
Total assets	1,512,680	1,512,680		1,512,680		$ 1,508,298
Operating
Segment Information
Segment profit		36,343	35,778	69,324	61,031
Corporate
Segment Information
Segment profit		(13,727)	(5,849)	(23,360)	(10,142)
North America
Segment Information
Revenue		79,825	74,481	153,200	141,914
Capital expenditures		8,152	1,630	12,792	5,085
Total assets	1,031,954	1,031,954		1,031,954		1,010,859
North America | Operating
Segment Information
Segment profit		21,774	21,912	42,652	35,637
Europe
Segment Information
Revenue		61,066	49,418	115,973	91,605
Capital expenditures		9,228	5,122	13,178	9,065
Total assets	$ 480,726	480,726		480,726		$ 497,439
Europe | Operating
Segment Information
Segment profit		$ 14,568	$ 13,866	$ 26,672	$ 25,394