Unaudited Condensed Consolidated Statements of Changes in Equity - USD ($) shares in Thousands, $ in Thousands		EVO Payments, Inc. (deficit)/equity	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Common Stock Class C Common Stock	Common Stock Class D Common Stock	Member Units Class A Units	Member Units Class B Units	Member Units Class C Units	Member Units Class D Units	Member Units Class E Units	Additional paid-in capital	Retained earnings	Accumulated deficit attributable to Class A common stock	Accumulated deficit	Accumulated other comprehensive loss	Nonredeemable non-controlling interests	Total
Beginning balance at Dec. 31, 2017		$ (169,843)													$ (237,330)	$ (67,679)	$ 3,312	$ (166,531)
Beginning balance at Dec. 31, 2017																		148,266
Ending balance at May. 23, 2018																		689,569
Beginning balance at Dec. 31, 2017																		(18,265)
Beginning balance at Dec. 31, 2017		(169,843)													(237,330)	(67,679)	3,312	(166,531)
Shareholders'/members' equity (deficit)
Net income prior to Reorganization Transaction		(24,412)													(24,412)			(24,412)
Cumulative translation adjustment prior to Reorganization Transactions		(6,337)														(6,337)		(6,337)
Distributions prior to Reorganization Transactions																	(1,334)	(1,334)
Acquisition of additional shares in a consolidated subsidiary		(20,924)													(20,924)		(1,141)	(22,065)
Legacy deficit / accumulated comprehensive loss allocation (Class C&D)		166,793													132,181	34,612	(166,793)
Legacy deficit / accumulated comprehensive loss allocation (Class B)		189,889													150,485	39,404		189,889
Equity issued in connection with acquisition prior to Reorganization Transactions				$ 4		$ 2	$ (54,453)		$ (9,463)		$ (71,250)	$ 135,160
Equity issued in connection with acquisition prior to Reorganization Transactions (in units and shares)			1,319	35,914	2,561	24,305	(6,374)	(3,506)	(375)	(1,107)	(1,012)
Share-based compensation prior to Reorganization Transactions, net of share settlement		51,339										51,339						51,339
Share-based compensation prior to Reorganization Transactions, net of share settlement (in shares)			494
Class B redeemable non-controlling interests fair value adjustment in connection to Reorganization Transactions																	(735,775)	(735,775)
Effect of Reorganization Transactions		186,505		$ 4		$ 2						186,499					(901,731)	(715,226)
Effect of Reorganization Transactions (in shares)			1,813	35,914	2,561	24,305
Sale of Class A common stock in initial public offering, net		220,598	$ 2									220,596						220,598
Sale of Class A common stock in initial public offering, net (in shares)			15,434
Contingent consideration settled in Class A common stock		771										771						771
Contingent consideration settled in Class A common stock (in shares)			48
Deferred taxes in connection with the Reorganization Transactions		4,590										4,590						4,590
Tax receivable agreement obligations in connection with the Reorganization Transactions		389										389						389
Net income subsequent to the Reorganization Transactions		16,713											$ 16,713				(21,297)	(4,584)
Cumulative translation adjustment subsequent to the Reorganization Transactions		(1,631)														(1,631)	(1,988)	(3,619)
Legacy redeemable non-controlling interest fair value adjustment		2,104											2,104				3,252	5,356
Class B redeemable non-controlling interests fair value adjustment in conjunction with the Reorganization Transactions		(73,893)											(73,893)				(114,209)	(188,102)
Ending balance at Jun. 30, 2018		356,146	$ 2	$ 4		$ 2	$ 54,453		$ 9,463		$ 71,250	412,845	(55,076)			(1,631)	(1,035,973)	(679,827)
Ending balance (in units) at Jun. 30, 2018							6,374	3,506	375	1,107	1,012
Ending balance (in shares) at Jun. 30, 2018			17,295	35,914	2,561	24,305
Beginning balance at Dec. 31, 2017																		148,266
Redeemable non-controlling interests
Net income prior to Reorganization Transactions																		1,291
Cumulative translation adjustment prior to Reorganization Transactions																		(2,104)
Distributions prior to Reorganization Transactions																		(3,770)
Legacy deficit / accumulated comprehensive loss allocation (Class B)																		(189,889)
Class B redeemable non-controlling interests fair value adjustment in connection to Reorganization Transactions																		735,775
Effect of Reorganization Transactions																		689,569
Net income subsequent to the Reorganization Transactions																		(27,987)
Cumulative translation adjustment subsequent to the Reorganization Transactions																		(5,542)
Legacy redeemable non-controlling interest fair value adjustment																		(5,356)
Class B redeemable non-controlling interests fair value adjustment in conjunction with the Reorganization Transactions																		188,102
Ending balance at Jun. 30, 2018																		838,786
Beginning balance at Dec. 31, 2017																		(18,265)
Total equity
Net (loss) income																		(55,692)
Net income prior to Reorganization Transactions																		(23,121)
Cumulative translation adjustment prior to Reorganization Transactions																		8,441
Distributions prior to Reorganization Transactions																		(5,104)
Effect of Reorganization Transactions																		(25,657)
Net income subsequent to the Reorganization Transactions																		(32,571)
Cumulative translation adjustment subsequent to the Reorganization Transactions																		(9,161)
Ending balance at Jun. 30, 2018																		158,959
Beginning balance at Mar. 31, 2018		(189,190)					$ 54,453		$ 9,463		$ 71,250				(275,660)	(48,696)	1,161	(188,029)
Beginning balance (in units) at Mar. 31, 2018							6,374	3,506	375	1,107	1,012
Shareholders'/members' equity (deficit)
Net income prior to Reorganization Transaction		(8,608)													(8,608)		(168)	(8,776)
Cumulative translation adjustment prior to Reorganization Transactions		(25,320)														(25,320)		(25,320)
Distributions prior to Reorganization Transactions																	(157)	(157)
Legacy deficit / accumulated comprehensive loss allocation (Class C&D)		166,793													132,181	34,612	(166,793)
Legacy deficit / accumulated comprehensive loss allocation (Class B)		189,889													150,485	39,404		189,889
Equity issued in connection with acquisition prior to Reorganization Transactions				$ 4		$ 2	$ (54,453)		$ (9,463)		$ (71,250)	135,160
Equity issued in connection with acquisition prior to Reorganization Transactions (in units and shares)			1,319	35,914	2,561	24,305	(6,374)	(3,506)	(375)	(1,107)	(1,012)
Share-based compensation prior to Reorganization Transactions, net of share settlement		51,339										51,339						51,339
Share-based compensation prior to Reorganization Transactions, net of share settlement (in shares)			494
Legacy redeemable non-controlling interest fair value adjustment		1,602													$ 1,602			1,602
Class B redeemable non-controlling interests fair value adjustment in connection to Reorganization Transactions																	(735,775)	(735,775)
Effect of Reorganization Transactions		186,505		$ 4		$ 2						186,499					(901,732)	(715,227)
Effect of Reorganization Transactions (in shares)			1,813	35,914	2,561	24,305
Sale of Class A common stock in initial public offering, net		220,598	$ 2									220,596						220,598
Sale of Class A common stock in initial public offering, net (in shares)			15,434
Contingent consideration settled in Class A common stock		771										771						771
Contingent consideration settled in Class A common stock (in shares)			48
Deferred taxes in connection with the Reorganization Transactions		4,590										4,590						4,590
Tax receivable agreement obligations in connection with the Reorganization Transactions		389										389						389
Net income subsequent to the Reorganization Transactions		16,713											16,713				(21,297)	(4,584)
Cumulative translation adjustment subsequent to the Reorganization Transactions		(1,631)														(1,631)	(1,987)	(3,618)
Legacy redeemable non-controlling interest fair value adjustment		2,104											2,104				3,252	5,356
Class B redeemable non-controlling interests fair value adjustment in conjunction with the Reorganization Transactions		(73,893)											(73,893)				(114,209)	(188,102)
Ending balance at Jun. 30, 2018		356,146	$ 2	$ 4		$ 2	$ 54,453		$ 9,463		$ 71,250	412,845	$ (55,076)			(1,631)	(1,035,973)	(679,827)
Ending balance (in units) at Jun. 30, 2018							6,374	3,506	375	1,107	1,012
Ending balance (in shares) at Jun. 30, 2018			17,295	35,914	2,561	24,305
Beginning balance at Mar. 31, 2018																		148,838
Redeemable non-controlling interests
Net income prior to Reorganization Transactions																		680
Cumulative translation adjustment prior to Reorganization Transactions																		(3,448)
Distributions prior to Reorganization Transactions																		(785)
Legacy deficit / accumulated comprehensive loss allocation (Class B)																		(189,889)
Legacy redeemable non-controlling interests fair value adjustment																		(1,602)
Class B redeemable non-controlling interests fair value adjustment in connection to Reorganization Transactions																		735,775
Effect of Reorganization Transactions																		689,569
Net income subsequent to the Reorganization Transactions																		(27,987)
Cumulative translation adjustment subsequent to the Reorganization Transactions																		(5,542)
Legacy redeemable non-controlling interest fair value adjustment																		(5,356)
Class B redeemable non-controlling interests fair value adjustment in conjunction with the Reorganization Transactions																		188,102
Ending balance at Jun. 30, 2018																		838,786
Beginning balance at Mar. 31, 2018																		(39,191)
Total equity
Net (loss) income																		(40,667)
Net income prior to Reorganization Transactions																		(8,096)
Cumulative translation adjustment prior to Reorganization Transactions																		(28,768)
Distributions prior to Reorganization Transactions																		(942)
Effect of Reorganization Transactions																		(25,658)
Net income subsequent to the Reorganization Transactions																		(32,571)
Cumulative translation adjustment subsequent to the Reorganization Transactions																		(9,160)
Ending balance at Jun. 30, 2018																		158,959
Ending balance at Dec. 31, 2018		(48,608)	$ 3	$ 4		$ 1						178,176		$ (223,799)		(2,993)	(814,074)	(862,682)
Ending balance (in shares) at Dec. 31, 2018			26,025	35,914	2,461	16,786
Beginning balance at May. 23, 2018																		689,569
Ending balance at Dec. 31, 2018																		1,010,093
Ending balance at Dec. 31, 2018																		147,411
Shareholders'/members' equity (deficit)
Prior period adjustment	[1]	(20,629)										(20,629)					20,629
Net income (loss)		(4,827)												(4,827)			(4,012)	(8,839)
Distributions																	(231)	(231)
Secondary Offering		(171,300)										(171,300)					203,864	32,564
Secondary Offering (in shares)			5,750	(500)		(4,500)
Share-based compensation		4,822										4,822						4,822
Vesting of equity awards		(1,638)										(1,638)						(1,638)
Vesting of equity awards (in shares)			75
Stock options exercised		291										291						291
Stock options exercised (in shares)			28
Deferred taxes in connection with share exchanges		2,072										2,072						2,072
Tax receivable agreement in connection with share exchanges		6,940										6,940						6,940
Cumulative translation adjustment subsequent to the Reorganization Transactions		1,840														1,840	627	2,467
Exchange of Class D common stock for Class A common stock		(26,770)										(26,770)					26,770
Exchange of Class D common stock for Class A common stock (in shares)			612		(91)	(521)
eService redeemable non-controlling interest fair value adjustment		(4,293)												(4,293)			(2,119)	(6,412)
Blueapple redeemable non-controlling interest		(158,767)												(158,767)			(97,345)	(256,112)
Reclassification of additional paid-in-capital to accumulated deficit												28,036		(28,036)
Ending balance at Jun. 30, 2019		(420,867)	$ 3	$ 4		$ 1								(419,722)		(1,153)	(665,891)	(1,086,758)
Ending balance (in shares) at Jun. 30, 2019			32,490	35,414	2,370	11,765
Redeemable non-controlling interests
Net income (loss)																		(6,353)
Cumulative translation adjustment prior to Reorganization Transactions																		1,973
Distributions																		(6,209)
Secondary Offering																		(13,580)
eService redeemable non-controlling interest fair value adjustment																		6,412
Blueapple redeemable non-controlling interest subsequent to the Reorganization Transactions																		256,112
Ending balance at Jun. 30, 2019																		1,248,448
Total equity
Net (loss) income																		(15,192)
Cumulative translation adjustment prior to Reorganization Transactions																		4,440
Distributions																		(6,440)
Secondary Offering																		18,984
Ending balance at Jun. 30, 2019																		161,690
Beginning balance at Mar. 31, 2019		(193,264)	$ 3	$ 4		$ 1						139,425		(328,657)		(4,040)	(848,079)	(1,041,343)
Beginning balance (in shares) at Mar. 31, 2019			26,514	35,914	2,449	16,307
Shareholders'/members' equity (deficit)
Net income (loss)		463												463			785	1,248
Distributions																	(216)	(216)
Secondary Offering		(171,300)										(171,300)					203,864	32,564
Secondary Offering (in shares)			5,750	(500)		(4,500)
Share-based compensation		2,977										2,977						2,977
Vesting of equity awards		(1,509)										(1,509)						(1,509)
Vesting of equity awards (in shares)			75
Stock options exercised		291										291						291
Stock options exercised (in shares)			28
Deferred taxes in connection with share exchanges		1,951										1,951						1,951
Deferred taxes in connection with share exchanges (in shares)			2
Tax receivable agreement in connection with share exchanges		6,606										6,606						6,606
Cumulative translation adjustment subsequent to the Reorganization Transactions		2,887														2,887	223	3,110
Exchange of Class D common stock for Class A common stock		(6,477)										(6,477)					6,477
Exchange of Class D common stock for Class A common stock (in shares)			121		(79)	(42)
eService redeemable non-controlling interest fair value adjustment		(3,647)												(3,647)			(1,662)	(5,309)
Blueapple redeemable non-controlling interest		(59,845)												(59,845)			(27,283)	(87,128)
Reclassification of additional paid-in-capital to accumulated deficit												$ 28,036		(28,036)
Ending balance at Jun. 30, 2019		$ (420,867)	$ 3	$ 4		$ 1								$ (419,722)		$ (1,153)	$ (665,891)	(1,086,758)
Ending balance (in shares) at Jun. 30, 2019			32,490	35,414	2,370	11,765
Beginning balance at Mar. 31, 2019																		1,163,203
Redeemable non-controlling interests
Net income (loss)																		2,579
Distributions																		(744)
Secondary Offering																		(13,580)
Cumulative translation adjustment subsequent to the Reorganization Transactions																		4,553
eService redeemable non-controlling interest fair value adjustment																		5,309
Blueapple redeemable non-controlling interest subsequent to the Reorganization Transactions																		87,128
Ending balance at Jun. 30, 2019																		1,248,448
Beginning balance at Mar. 31, 2019																		121,860
Total equity
Net (loss) income																		3,827
Cumulative translation adjustment prior to Reorganization Transactions																		7,663
Distributions																		(960)
Secondary Offering																		18,984
Ending balance at Jun. 30, 2019																		$ 161,690

[1] Refer to Note 1, “Description of Business and Summary of Significant Accounting Policies” for discussion on presentation.