Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2020	May 06, 2020
Entity Information [Line Items]
Entity File Number	001-31648
Entity Small Business	false
City Area Code	(913)
Local Phone Number	327-4200
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Incorporation, State or Country Code	DE
Document Transition Report	false
Document Quarterly Report	true
Entity Registrant Name	EURONET WORLDWIDE INC
Entity Central Index Key	0001029199
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		52,205,743
Entity Tax Identification Number	74-2806888
Entity Address, City or Town	Leawood,
Entity Address, Address Line One	3500 College Boulevard
Entity Address, State or Province	KS
Entity Address, Postal Zip Code	66211
Entity Emerging Growth Company	false
Common Stock [Member]
Entity Information [Line Items]
Title of 12(b) Security	Common Stock
Trading Symbol	EEFT
Security Exchange Name	NASDAQ
1.375 Senior Notes due 2026 [Member]
Entity Information [Line Items]
Title of 12(b) Security	1.375% Senior Notes due 2026
Trading Symbol	EEFT26
Security Exchange Name	NASDAQ