Settlement assets: Settlement Liabilities [Abstract] SettlementAssetsCashAndCashEquivalent Settlement cash and cash equivalents Trade account payables Settlement LiabilitiesTrade Accounts Payable Current Settlement obligations: Cash In Automated Teller Machine Accrued expenses and other current liabilities Settlement Liabilities Accrued Expenses And Other Current Liabilities Account receivables, net of credit loss allowance Restricted cash ATM cash Allowance for Doubtful Other Receivables, Current Thereafter Thereafter 2023 2023 2022 2022 2021 2021 2020 2020 2019 2019 Less: imputed interest Operating Leases, Future Minimum Payments Imputed Interest Total intangible assets amortization expense Impairment charges Acquisitions Amortization of Intangible Assets Non-Cash Impairment Charge for Acquired Intangible Assets Non-cash impairment charge for acquired intangible assets Asset Class [Axis] Asset Class [Domain] Goodwill [Member] Acquisitions Balance Impairment Increases (decreases): Total Intangible Assets Decreases Abstract Goodwill Goodwill Amortization Amortization Acquired Intangible Assets Impairment Impairment Goodwill, Purchase Accounting Adjustments Increases (decreases): Goodwill Decreases Abstract Finite-lived Intangible Assets Acquired Impairment Acquired Intangible Assets Impairment Increases (decreases): Goodwill and Finite Lived Intangible Assets Decreases Abstract Vehicles and Office Equipment [Member] POS Terminals [Member] ATMs or ATM upgrades [Member] Epay Segment. epay [Member] Epay Segment [Member] Total settlement obligations Settlement obligations Settlement Liabilities, Current Derivative Asset, Not Offset, Financial Instruments Total settlement assets Account receivables Restricted cash included within settlement assets Computation of diluted weighted average shares outstanding Settlement assets Settlement assets: Schedule of settlement assets and obligations [Table Text Block] for Settlement Assets and Liabilities [Table] Settlement Assets and Liabilities [Table Text Block] Schedule of settlement assets and obligations Schedule of settlement assets and obligations Schedule of Intangible Assets and Goodwill [Table Text Block] Recently issued accounting pronouncements Supplemental Cash Flow Disclosures: Supplemental Cash Flow Disclosures: Cash and cash equivalents and restricted cash at end of period Cash and cash equivalents and restricted cash at end of period Weighted average shares outstanding: Earnings Per Share [Abstract] Earnings per share attributable to Euronet Worldwide, Inc. stockholders: Other gains Other gains (losses), net Total operating expenses Direct operating costs Operating expenses: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Operating Expenses Other Cost and Expense, Operating Accrued Expenses and Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Schedule of weighted average number of common shares outstanding Revenue Recognition, Policy [Policy Text Block] Fair value measurements Income taxes Business combinations Convertible notes Other assets Goodwill and other intangible assets Property and equipment Settlement Assets and Liabilities [Policy Text Block] Cash reserved for use in network of ATMs Cash equivalents Schedule of Debt [Table Text Block] Schedule of debt obligations Organization Organization Related party transaction, incurred expenses Related Party Transaction, Expenses from Transactions with Related Party Related Party Transaction [Line Items] Related Party Transaction [Line Items] Rontec Ltd. [Member] Rontec Ltd. [Member] Rontec Ltd. 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(loss) Other Comprehensive Income (Loss), Net of Tax Redemptions and conversions of convertible notes, net of tax, shares Issuance of convertible notes, net of tax Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Share-based compensation Stock issued under employee stock plans Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Treasury Stock, Shares, Acquired Stock issued under employee stock plans, shares Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments Presentation of taxes collected and remitted to government authorities policy [Policy Text Block] Other assets policy - deferred financing costs, investments in unconsolidated affiliates, capitalized software development costs and capitalized payments for new or renewed contracts, contract renewals and customer conversion costs. [Policy Text Block] Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments Noncontrolling Interests Noncontrolling Interests Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Retained Earnings Retained Earnings [Member] Treasury Stock Treasury Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Equity Component [Domain] Equity Component [Domain] Equity Components [Axis] Statement, Equity Components [Axis] Consolidated Statements of Changes in Equity [Abstract] Consolidated Statements of Changes in Equity [Abstract] Comprehensive income attributable to Euronet Worldwide, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive (income) loss attributable to noncontrolling interests Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Comprehensive income Computation of diluted weighted average shares outstanding Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Statement of Comprehensive Income [Abstract] Weighted Average Number of Shares Outstanding, Diluted Diluted Diluted weighted average shares outstanding Basic weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Diluted Earnings (loss) per share, diluted (quarterly) Earnings Per Share, Diluted Basic Earnings (loss) per share, basic (quarterly) Earnings Per Share, Basic Net Income (Loss) Attributable to Parent Net income attributable to Euronet Worldwide, Inc. (quarterly) Net (loss) income attributable to Euronet Worldwide, Inc. Net (loss) income attributable to Euronet Worldwide, Inc. Less: Net (income) loss attributable to noncontrolling interests Less: Net (income) loss attributable to noncontrolling interests Net income (loss) attributable to noncontrolling interests Net (loss) income Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Income tax expense Income tax expense Nonoperating Income (Expense) Other expense, net Other expense, net Foreign Currency Transaction Gain (Loss), before Tax Foreign currency exchange (loss) gain, net Other Nonoperating Income (Expense) Other (losses) gains, net Other (losses) gains, net Income (Loss) from Equity Method Investments Loss from unconsolidated affiliates Loss from unconsolidated affiliates Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Increase in cash and cash equivalents and restricted cash Income from unconsolidated affiliates Interest Expense Supplemental disclosure of non-cash investing and financing activities: Number of reporting units Number of Reporting Units Consolidated interest coverage ratio, description Two thousand fourteen through 2020 one [Member] Lease Agreements [Member] Interest expense Investment Income, Interest Interest income Nonoperating Income (Expense) [Abstract] Other income (expense): Operating Income (Loss) Operating income (loss) (quarterly) Operating income Operating income Costs and Expenses Total operating expenses Effect of exchange rate changes on cash and cash equivalents and restricted cash Total operating expenses Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Effect of exchange rate changes on cash and cash equivalents and restricted cash Accretion of convertible debentures discount and amortization of debt issuance costs. Goodwill and Intangible Asset Impairment Goodwill and acquired intangible assets impairment Selling, General and Administrative Expense Selling, general and administrative Labor and Related Expense Salaries and benefits Cost of Goods and Services Sold Direct operating costs Revenues Revenues Income Statement [Abstract] Treasury Stock, Shares Treasury stock, shares Common Stock, Shares, Issued Common stock, shares, issued Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Par or Stated Value Per Share Common stock, par value per share Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Par or Stated Value Per Share Preferred stock, par value per share Accumulated amortization on other assets. Accumulated amortization on other assets Other assets, accumulated amortization Accumulated Amortization Acquired intangible assets, accumulated amortization Accumulated amortization Less accumulated depreciation Property and equipment, accumulated depreciation Allowance for Doubtful Accounts Receivable, Current Allowance for doubtful accounts receivable Allowance for doubtful accounts receivable, period end Allowance for doubtful accounts receivable, period start Balance Sheet Parenthetical [Abstract] Balance Sheet Parenthetical [Abstract] Liabilities and Equity Total liabilities and equity Balance Balance Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance, shares Shares, Outstanding Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling interests Stockholders' Equity Attributable to Parent Total Euronet Worldwide, Inc. stockholders' equity Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Retained earnings Retained Earnings (Accumulated Deficit) Treasury Stock, Value Treasury stock, at cost, shares issued 10,631,961 and 8,554,908 Additional Paid in Capital, Common Stock Additional paid-in capital Common Stock, Value, Issued Common Stock, $0.02 par value. 90,000,000 shares authorized; shares issued 63,366,010 and 62,775,762 Preferred Stock, Value, Issued Preferred Stock, $0.02 par value. 10,000,000 shares authorized; none issued Stockholders' Equity Attributable to Parent [Abstract] Euronet Worldwide, Inc. stockholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity: Liabilities Total liabilities Other Liabilities, Noncurrent Accretion of convertible debentures discount and amortization of debt issuance costs Other long-term liabilities Operating lease obligations, net of current portion Operating Lease, Liability, Noncurrent Capital Lease Obligations, Noncurrent Capital Lease Obligations, Noncurrent Capital lease obligations, net of current portion Long-term debt obligations Debt obligations, net of current portion Long-term Debt, Excluding Current Maturities Liabilities, Current Total current liabilities Deferred Revenue, Current Deferred revenue Accrued Income Taxes, Current Income taxes payable Debt, Current Short-term debt obligations and current maturities of long-term debt obligations Current portion of operating lease obligations Operating Lease, Liability, Current Accrued expenses and other current liabilities Total Accrued Expenses And Other Current Liabilities Accrued expenses and other current liabilities. Accounts Payable, Trade, Current Trade accounts payable Liabilities, Current [Abstract] Current liabilities: Liabilities and Equity [Abstract] LIABILITIES AND EQUITY Accretion of convertible debt discount and amortization of debt issuance costs Net Amounts Presented in the Consolidated Balance Sheet Net Income (Loss) Attributable to Noncontrolling Interest Trade accounts receivable, net of credit loss allowance of $5,926 and $3,892 Derivative Liability, Net Amounts Gross Amounts of Recognized Liabilities Assets Total assets Total Assets Other assets, net of accumulated amortization of $55,710 and $46,788 Other assets, net of accumulated amortization of $46,788 at December 31, 2019 and $50,821 at December 31, 2018 Balance Balance Goodwill Balance Total Property, Plant and Equipment, Net Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Line Items] Right of use assets Operating right of use lease assets Assets, Current Total current assets Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Trade accounts receivable, net Accounts Receivable, Net, Current Settlement assets Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Settlement Assets, Current Inventory, Net Inventory - PINs and other Accounting Standards Update 2016-09, Excess Tax Benefit Component [Member] Prepaid expenses and other current assets Settlement Assets Prepaid expenses and other current assets Settlement Assets Prepaid expenses and other current assets Settlement Assets Account Receivable Settlement Assets Account Receivable Receivables from business partners represent funds collected by such business partners, but in transit to the Company. ATM cash CashinATM ATM cash Total Restricted Cash Restricted Cash and Cash Equivalents, Current Restricted cash Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Assets, Current [Abstract] Current assets: Assets [Abstract] ASSETS Settlement restricted cash SettlementAssetsRestrictedCash Settlement restricted cash Settlement cash and cash equivalents SettlementAssetsCashandCashEquivalent Settlement cash and cash equivalents Accounting Standards Update 2016-09, Excess Tax Benefit Component [Member] Statement [Line Items] Statement [Line Items] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario [Axis] Scenario [Axis] Statement [Table] Statement [Table] Accounting Standards Update 2016-09, Excess Tax Benefit Component [Member] Statement of Financial Position [Abstract] Entity Address, Country Entity Address, Country Document Transition Report Document Transition Report Entity Emerging Growth Company Entity Emerging Growth Company Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Tax Identification Number Entity Tax Identification Number Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Entity Interactive Data Current Entity Interactive Data Current Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Amendment Flag Amendment Flag Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Translation adjustment Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Entity Filer Category Entity Filer Category Current Fiscal Year End Date Current Fiscal Year End Date Entity Central Index Key Other comprehensive income (loss), foreign currency transaction and translation adjustment, net of tax Entity Central Index Key Entity Registrant Name Cash Collateral Received Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Address, State or Province Entity Address, State or Province Entity Address, City or Town Entity Address, City or Town Entity Address, Address Line One Entity Address, Address Line One Security Exchange Name Security Exchange Name Local Phone Number Local Phone Number City Area Code City Area Code Trading Symbol Trading Symbol Title of 12(b) Security Title of 12(b) Security Entity Small Business Entity Small Business Document Annual Report Document Annual Report Entity Shell Company Entity Shell Company Entity File Number Entity File Number Entity Information [Line Items] Entity Information [Line Items] Entity [Domain] Entity [Domain] Legal Entity [Axis] Legal Entity [Axis] Common Stock [Member] Common Stock [Member] 1.375% Senior Notes due 2026 [Member] 1.375% Senior Notes due 2026 [Member] 1.375% Senior Notes due 2026 [Member] Class of Stock [Domain] Class of Stock [Domain] Class of Stock [Axis] Class of Stock [Axis] Entities [Table] Entities [Table] Entity [Abstract] Entity [Abstract] Statutory Accounting Practices [Table] Acquired intangible assets, net of accumulated amortization of $0 at December 31, 2020 and $204,853 at December 31, 2019 Total income before income taxes Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Finite-lived Intangible Assets Amortization Expense [Table Text Block] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of depreciation and amortization rates Schedule of fair values of the assets acquired and liabilities fair values of the assets acquired and liabilities Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Settlement Assets [Abstract] Settlement Assets [Abstract] Settlement Assets And Liabilities SETTLEMENT ASSETS AND OBLIGATIONS Schedule Of Settlement Assets And Liabilities Schedule of settlement assets and liabilities Schedule Of Cash And Cash Equivalents Including Restrictions On Cash And Cash Equivalents Schedule of cash and cash equivalents restricted cash Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Expired Non-cash goodwill impairment charge Principal amount of the Retired Convertible Notes Principal amount of retired convertible notes Senior Notes Asset Impairment Charges Operating Lease, Right-of-Use Asset Fair value of option Fair value of option Options granted Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Options vesting period Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate - range Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Deferred Tax Assets Foreign Exchange Foreign exchange Foreign exchange Deferred Tax Liabilities, Unrealized Currency Transaction Gains Accounts Receivable, Allowance for Credit Loss Credit loss allowance Deferred income taxes Deferred Income Tax Liabilities, Net Amount of cash inflow (outflow) from other short-term debt. Proceeds from Repayments of Other Short Term Debt Net (repayments) borrowing from short-term debt obligations Property and equipment, net of accumulated depreciation of $490,429 and $410,243 Two thousand fourteen through 2020 two [Member] Finite-Lived Intangible Assets, Accumulated Amortization Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Statute of limitations expiration Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs Impairment Non-cash impairment of goodwill and acquired intangible assets Other Intangible Assets [Table Text Block] Schedule of other intangible assets Property, Plant and Equipment, Estimated Useful Lives Leasehold Improvements [Member] Leasehold improvements [Member] Property, plant and equipment, estimated useful lives Other Currency [Member] Foreign currencies Other Currency [Member]. Foreign currencies swingline loans [Member] Swingline Loans Foreign Currencies [Member]. Swingline Loans Foreign Currencies [Member]