Selected Quarterly Data (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
SELECTED QUARERLY DATA (UNAUDITED) [Abstract]
Revenues (quarterly)	$ 375,402	$ 360,580	$ 341,543	$ 335,644	$ 351,246	$ 316,356	$ 302,377	$ 297,622	$ 1,413,169	$ 1,267,601	$ 1,161,304
Operating income (loss) (quarterly)	16,108	55,345	27,800	19,158	(1,886)	24,195	19,854	15,842	118,411	58,005	79,137
Net income (loss)	9,154	47,974	18,165	12,060	(12,768)	14,341	5,726	13,098	87,353	20,397	38,088
Net income attributable to Euronet Worldwide, Inc. (quarterly)	$ 9,995	$ 47,874	$ 18,111	$ 12,006	$ (13,014)	$ 14,630	$ 5,747	$ 13,172	$ 87,986	$ 20,535	$ 36,961
Earnings (loss) per share, basic (quarterly)	$ 0.20	$ 0.96	$ 0.36	$ 0.24	$ (0.26)	$ 0.29	$ 0.11	$ 0.26	$ 1.76	$ 0.41	$ 0.73
Earnings (loss) per share, diluted (quarterly)	$ 0.19	$ 0.92	$ 0.35	$ 0.24	$ (0.26)	$ 0.28	$ 0.11	$ 0.26	$ 1.69	$ 0.40	$ 0.71