Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Revenues	$ 693,747	$ 786,986	$ 691,867	$ 577,509	$ 649,385	$ 714,505	$ 622,224	$ 550,515	$ 2,750,109	$ 2,536,629	$ 2,252,422
Operating expenses:
Direct operating costs									1,556,483	1,488,406	1,356,250
Salaries and benefits									394,744	360,432	310,787
Selling, general and administrative									211,944	216,807	190,302
Goodwill and Intangible Asset Impairment									0	7,049	34,056	$ 34,056
Depreciation and amortization									111,744	106,021	95,030
Total operating expenses									2,274,915	2,178,715	1,986,425
Operating income	107,213	193,990	117,897	56,094	71,160	150,913	90,369	45,472	475,194	357,914	265,997
Other income (expense):
Interest income									1,969	1,320	2,443
Interest expense									(36,237)	(37,573)	(32,571)
(Loss) income from unconsolidated affiliates									0	(117)	48
Other gains, net									(9,820)	27	118
Foreign currency exchange (loss) gain, net									2,701	(26,655)	20,300
Other expense, net									(41,387)	(62,998)	(9,662)
Income before income taxes									433,807	294,916	256,335
Income tax expense									(87,112)	(62,785)	(99,395)
Net income	106,570	137,541	68,005	34,579	59,894	102,257	43,636	26,344	346,695	232,131	156,940
Less: Net (income) loss attributable to noncontrolling interests									54	720	(95)
Net income attributable to Euronet Worldwide, Inc.	$ 106,446	$ 137,607	$ 68,153	$ 34,543	$ 59,991	$ 102,723	$ 43,724	$ 26,413	$ 346,749	$ 232,851	$ 156,845
Earnings per share attributable to Euronet Worldwide, Inc. stockholders - basic	$ 1.96	$ 2.53	$ 1.28	$ 0.67	$ 1.16	$ 2.01	$ 0.85	$ 0.51	$ 6.49	$ 4.52	$ 2.99
Earnings per share attributable to Euronet Worldwide, Inc. stockholders - diluted	$ 1.91	$ 2.46	$ 1.25	$ 0.62	$ 1.10	$ 1.89	$ 0.82	$ 0.49	$ 6.31	$ 4.26	$ 2.85
Weighted average shares outstanding - basic									53,449,834	51,487,557	52,523,272
Weighted average shares outstanding - diluted									54,913,887	54,627,747	55,116,327