Consolidated Statements of Changes in Equity Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]
Total Euronet Worldwide Inc. stockholders' equity at Dec. 31, 2017	$ 1,199,478	$ 1,178	$ 1,072,005	$ (217,161)	$ 436,954	$ (94,458)	$ 960
Number of Shares Outstanding Period Start at Dec. 31, 2017	52,808,158
Number of Shares Outstanding Period End at Mar. 31, 2018	51,505,621
Net income	$ 26,344
Net income attributable to Euronet Worldwide, Inc.					26,413
Net income attributable to noncontrolling interest							(69)
Other comprehensive income (loss)	22,948					22,894	54
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		116,358
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	1,233	$ 2	2,468	(1,237)
Share-based compensation	4,029		4,029
Treasury Stock, Shares, Acquired		(1,418,895)
Treasury Stock, Value, Acquired, Cost Method	(125,000)			(125,000)
Total Euronet Worldwide Inc. stockholders' equity at Mar. 31, 2018	1,129,032	$ 1,180	1,078,502	(343,398)	463,367	(71,564)	945
Total Euronet Worldwide Inc. stockholders' equity at Dec. 31, 2017	$ 1,199,478	1,178	1,072,005	(217,161)	436,954	(94,458)	960
Number of Shares Outstanding Period Start at Dec. 31, 2017	52,808,158
Number of Shares Outstanding Period End at Jun. 30, 2018	50,981,871
Net income	$ 69,980
Net income attributable to Euronet Worldwide, Inc.	70,137
Net income attributable to noncontrolling interest	(157)
Total Euronet Worldwide Inc. stockholders' equity at Jun. 30, 2018	1,070,430	1,181	1,084,536	(393,138)	507,091	(130,006)	766
Total Euronet Worldwide Inc. stockholders' equity at Mar. 31, 2018	$ 1,129,032	$ 1,180	1,078,502	(343,398)	463,367	(71,564)	945
Number of Shares Outstanding Period Start at Mar. 31, 2018	51,505,621
Number of Shares Outstanding Period End at Jun. 30, 2018	50,981,871
Net income	$ 43,636
Net income attributable to Euronet Worldwide, Inc.	43,724				43,724
Net income attributable to noncontrolling interest	(88)						(88)
Other comprehensive income (loss)	(58,533)					(58,442)	(91)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		89,954
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	1,745	$ 1	1,484	260
Share-based compensation	4,550		4,550
Treasury Stock, Shares, Acquired		(613,704)
Treasury Stock, Value, Acquired, Cost Method	(50,000)			(50,000)
Total Euronet Worldwide Inc. stockholders' equity at Jun. 30, 2018	1,070,430	$ 1,181	1,084,536	(393,138)	507,091	(130,006)	766
Total Euronet Worldwide Inc. stockholders' equity at Dec. 31, 2018	$ 1,232,842	$ 1,198	1,104,264	(391,551)	669,805	(151,043)	169
Number of Shares Outstanding Period Start at Dec. 31, 2018	51,819,998
Number of Shares Outstanding Period End at Mar. 31, 2019	51,950,140
Net income	$ 34,579
Net income attributable to Euronet Worldwide, Inc.					34,543
Net income attributable to noncontrolling interest							36
Other comprehensive income (loss)	(16,185)					(16,156)	(29)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		130,136
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	3,441	$ 3	5,194	(1,756)
Share-based compensation	4,490		4,490
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt	71,660		71,660
Repurchases and conversions of convertible notes, net of tax		6
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments	(42,917)		(42,917)
Total Euronet Worldwide Inc. stockholders' equity at Mar. 31, 2019	1,287,910	$ 1,201	1,142,691	(393,307)	704,348	(167,199)	176
Total Euronet Worldwide Inc. stockholders' equity at Dec. 31, 2018	$ 1,232,842	1,198	1,104,264	(391,551)	669,805	(151,043)	169
Number of Shares Outstanding Period Start at Dec. 31, 2018	51,819,998
Number of Shares Outstanding Period End at Jun. 30, 2019	54,480,239
Net income	$ 102,584
Net income attributable to Euronet Worldwide, Inc.	102,696
Net income attributable to noncontrolling interest	(112)
Total Euronet Worldwide Inc. stockholders' equity at Jun. 30, 2019	1,398,223	1,251	1,172,834	(393,353)	772,501	(155,050)	40
Total Euronet Worldwide Inc. stockholders' equity at Mar. 31, 2019	$ 1,287,910	$ 1,201	1,142,691	(393,307)	704,348	(167,199)	176
Number of Shares Outstanding Period Start at Mar. 31, 2019	51,950,140
Number of Shares Outstanding Period End at Jun. 30, 2019	54,480,239
Net income	$ 68,005
Net income attributable to Euronet Worldwide, Inc.	68,153				68,153
Net income attributable to noncontrolling interest	(148)						(148)
Other comprehensive income (loss)	12,161					12,149	12
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		41,856
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	1,694		1,740	(46)
Share-based compensation	$ 6,003		6,003
Stock Issued During Period, Shares, Conversion of Convertible Securities	2,500,000	2,488,243
Stock Issued During Period, Value, Conversion of Convertible Securities		$ 50
Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments	$ 22,450
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments			22,400
Total Euronet Worldwide Inc. stockholders' equity at Jun. 30, 2019	$ 1,398,223	$ 1,251	$ 1,172,834	$ (393,353)	$ 772,501	$ (155,050)	$ 40