Selected Quarterly Data (Unaudited) (Note)

12 Months Ended

Dec. 31, 2018

Selected Quarterly Data [Abstract]

Quarterly Financial Information [Text Block]

Selected Quarterly Data (Unaudited)

(in thousands, except per share data)	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
For the Year Ended December 31, 2018
Revenues	$	550,515	$	622,224	$	714,505	$	649,385
Operating income	$	45,472	$	90,369	$	150,913	$	71,160
Net income	$	26,344	$	43,636	$	102,257	$	59,894
Net income attributable to Euronet Worldwide, Inc.	$	26,413	$	43,724	$	102,723	$	59,991
Earnings per common share:
Basic	$	0.51	$	0.85	$	2.01	$	1.16
Diluted	$	0.49	$	0.82	$	1.89	$	1.10
For the Year Ended December 31, 2017
Revenues	$	473,380	$	536,563	$	637,834	$	604,645
Operating income	$	41,286	$	66,691	$	116,901	$	41,119
Net income (loss)	$	28,069	$	51,347	$	100,353	$	(22,829	)
Net income (loss) attributable to Euronet Worldwide, Inc.	$	28,123	$	51,365	$	100,290	$	(22,933	)
Earnings (loss) per common share:
Basic	$	0.54	$	0.98	$	1.91	$	(0.44	)
Diluted	$	0.51	$	0.93	$	1.80	$	(0.44	)