Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Revenues	$ 519,829	$ 524,025	$ 476,867	$ 437,894	$ 470,579	$ 481,373	$ 425,148	$ 395,162	$ 1,958,615	$ 1,772,262	$ 1,664,150
Operating expenses:
Direct operating costs									1,174,545	1,081,849	1,033,479
Salaries and benefits									288,420	259,162	243,220
Selling, general and administrative									165,348	156,385	157,265
Depreciation and amortization									80,529	70,025	71,455
Total operating expenses									1,708,842	1,567,421	1,505,419
Operating income	58,106	90,468	59,310	41,889	55,224	70,274	47,180	32,163	249,773	204,841	158,731
Other income (expense):
Interest income									1,696	2,170	2,549
Interest expense									(28,332)	(24,814)	(12,330)
Other gains (losses), net									19,956	315	(1,801)
Foreign currency exchange (loss) gain, net									(10,200)	(41,418)	(5,646)
Other expense, net									(16,880)	(63,747)	(17,228)
Income before income taxes									232,893	141,094	141,503
Income tax expense									(58,795)	(42,602)	(40,015)
Net income	28,655	60,782	55,577	29,084	33,522	31,324	26,521	7,125	174,098	98,492	101,488
Less: Net loss attributable to noncontrolling interests									317	316	160
Net income attributable to Euronet Worldwide, Inc.	$ 28,911	$ 60,733	$ 55,677	$ 29,094	$ 33,487	$ 31,334	$ 26,809	$ 7,178	$ 174,415	$ 98,808	$ 101,648
Earnings per share attributable to Euronet Worldwide, Inc. stockholders - basic	$ 0.55	$ 1.16	$ 1.07	$ 0.55	$ 0.63	$ 0.60	$ 0.52	$ 0.14	$ 3.34	$ 1.89	$ 1.96
Earnings per share attributable to Euronet Worldwide, Inc. stockholders - diluted	$ 0.54	$ 1.11	$ 1.04	$ 0.53	$ 0.61	$ 0.57	$ 0.50	$ 0.13	$ 3.23	$ 1.83	$ 1.89
Weighted average shares outstanding - basic									52,276,951	52,274,573	51,757,867
Weighted average shares outstanding - diluted									54,001,079	54,076,676	53,901,040