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]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Total Euronet Worldwide, Inc stockholders' equity at Dec. 31, 2015	$ 825,928	$ 1,159	$ 1,023,254	$ (138,750)	$ 104,427	$ (165,528)	$ 1,366
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		421,170
Treasury Stock, Shares, Acquired		(1,149,571)
No. of Shares Outstanding Period End at Dec. 31, 2016	52,303,401
No. of Shares Outstanding Period End at Dec. 31, 2015	53,031,802
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Euronet Worldwide, Inc.	$ 174,415				174,415
Stock issued under employee stock plans, value	6,292	$ 9	7,426	(1,143)
Share-based compensation	14,983		14,983
Net income (loss)	174,098
Net income (loss) attributable to noncontrolling interests	(317)						(317)
Other Comprehensive Income (Loss)	(45,175)					(45,134)	(41)
Repurchase of shares	(75,569)			(75,569)
Stockholders' Equity, Other
Total Euronet Worldwide, Inc stockholders' equity at Dec. 31, 2016	$ 900,557	$ 1,168	1,045,663	(215,462)	278,842	(210,662)	1,008
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		504,757
No. of Shares Outstanding Period End at Dec. 31, 2017	52,808,158
No. of Shares Outstanding Period End at Dec. 31, 2016	52,303,401
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Euronet Worldwide, Inc.	$ 156,845				156,845
Stock issued under employee stock plans, value	8,415	$ 10	10,104	(1,699)
Share-based compensation	15,618		15,618
Net income (loss)	156,940
Net income (loss) attributable to noncontrolling interests	95						95
Other Comprehensive Income (Loss)	116,401					116,204	197
Stockholders' Equity, Other	1,547		620		1,267		(340)
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures		1,039,480
Treasury Stock, Shares, Acquired		(2,032,599)
Stock Issued During Period, Shares, Other		4,959
No. of Shares Outstanding Period End at Dec. 31, 2018	51,819,998
No. of Shares Outstanding Period End at Dec. 31, 2017	52,808,158
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Euronet Worldwide, Inc.	$ 232,851				232,851
Stock issued under employee stock plans, value	16,264	$ 20	15,634	610
Share-based compensation	16,764		16,764
Net income (loss)	232,131
Net income (loss) attributable to noncontrolling interests	(720)						(720)
Other Comprehensive Income (Loss)	(56,656)					(56,585)	(71)
Repurchase of shares	(175,000)			(175,000)
Stockholders' Equity, Other	(139)		(139)
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