| DEI Document | Oct. 27, 2020 |
| Document Information [Line Items] | |
| Entity Emerging Growth Company | false |
| Entity Incorporation, State or Country Code | DE |
| Written Communications | false |
| Document Type | 8-K |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Document Period End Date | Oct. 27, 2020 |
| Entity Registrant Name | EURONET WORLDWIDE INC |
| Entity Central Index Key | 0001029199 |
| City Area Code | (913) |
| Local Phone Number | 327-4200 |
| Amendment Flag | false |
| Entity File Number | 001-31648 |
| Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | EEFT |
| Security Exchange Name | NASDAQ |
| 1.375% Senior Notes due 2026 [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 1.375% Senior Notes due 2026 |
| Trading Symbol | EEFT26 |
| Security Exchange Name | NASDAQ |
| Entity Incorporation Document | Oct. 27, 2020 |
| Entity Information [Line Items] | |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-31648 |
| Entity Tax Identification Number | 74-2806888 |
| Entity Address, Address Line One | 11400 Tomahawk Creek Parkway, Suite 300 |
| Entity Address, City or Town | Leawood, |
| Entity Address, State or Province | KS |
| Entity Address, Postal Zip Code | 66211 |
