Loss Contingency, Information about Litigation Matters [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Fair Value Disclosures [Abstract] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Statement of Cash Flows [Abstract] Statement [Table] Statement [Table] Statement, Scenario [Axis] Scenario [Axis] Scenario [Domain] Scenario [Domain] Statement [Line Items] Statement [Line Items] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash 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receivable Increase (Decrease) in Accounts Receivable Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Trade accounts payable Increase (Decrease) in Accounts Payable, Trade Accrued expenses and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Deferred revenue Increase (Decrease) in Deferred Revenue Changes in noncurrent assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Purchases of other long-term assets Payments to Acquire Other Productive Assets Other, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of shares Proceeds from Issuance or Sale of Equity Repurchase of shares Payments for Repurchase of Common Stock Borrowings from revolving credit agreements Proceeds from Lines of Credit Repayments of revolving credit agreements Repayments of Lines of Credit Proceeds from Convertible Debt Proceeds from Convertible Debt Repayments of long-term debt obligations Repayments of Other Long-term Debt Borrowings from short-term debt obligations, net Proceeds from (Repayments of) Short-term Debt Payments of Debt Issuance Costs Payments of Debt Issuance Costs Other, net Proceeds from (Payments for) Other Financing Activities Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Interest paid during the period Interest Paid, Including Capitalized Interest, Operating and Investing Activities Income taxes paid during the period Income Taxes Paid Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite and Indefinite Lived Intangible Assets [Table] Schedule of Finite and Indefinite Lived Intangible Assets [Table] Schedule of Finite and Indefinite Lived Intangible Assets [Table] [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] [Line Items] for Schedule of Finite and Indefinite Lived Intangible Assets [Table] [Table] Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward] Goodwill and Finite-lived Intangible 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Intangible Assets and Goodwill [Table Text Block] Schedule of Intangible Assets and Goodwill [Table Text Block] Segment Information [Abstract] Segment Information. Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Europe [Member] Europe [Member] Asia Pacific [Member] Asia Pacific [Member] Other geographic locations [Member] Other geographic locations [Member] Other geographic locations [Member] North America [Member] North America [Member] Consolidation, Eliminations [Member] Consolidation, Eliminations [Member] Segment Reporting Information, by Segment [Axis] Segments [Axis] Reporting Segment [Domain] Segments [Domain] Eft Processing Segment [Member] EFT Processing Segment. Epay Segment [Member] Epay Segment. Money Transfer Segment [Member] Money Transfer Segment. Corporate Services, Eliminations and Other [Member] Unallocated Amount to Segment, Intersegment Eliminations and Other [Member] Unallocated Amount to Segment, Intersegment Eliminations and Other [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of Reportable Segments Number of Reportable Segments Revenues Revenues Direct operating costs Cost of Goods and Services Sold Salaries and benefits Labor and Related Expense Selling, general and administrative Selling, General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Operating income (expense) Operating Income (Loss) Property, Plant and Equipment, Net Property, Plant and Equipment, Net Assets Assets Costs and Expenses Costs and Expenses Schedule of Future Minimum Payments [Abstract] Schedule of Future Minimum Payments [Abstract] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] lessee, lease, description [Axis] lessee, lease, description [Axis] [Axis] Lessee, Lease, Description [Axis] lessee, lease, description [Axis] [Domain] lessee, lease, description [Axis] [Domain] [Domain] for Lessee, Lease, Description [Axis] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Lease, Cost [Table Text Block] Lease, Cost [Table Text Block] Lessee, Operating Lease, Disclosure [Table Text Block] Lessee, Operating Lease, Disclosure [Table Text Block] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Stockholders' Equity Attributable to Parent [Abstract] Stockholders' Equity [Table] Rights Agreement [Table] Rights Agreement [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Share Repurchase Plan [Member] Share Repurchase Plan [Member] Share Repurchase Plan [Member] Stockholders' Equity [Line Items] Rights Agreement [Line Items] [Line Items] for Rights Agreement [Table] Document Period End Date Document Period End Date Stock Repurchase Program, Number of Shares Authorized to be Repurchased Stock Repurchase Program, Number of Shares Authorized to be Repurchased Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Value, Acquired, Cost Method Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Debt Instrument, Convertible, Conversion Price Debt Instrument, Convertible, Conversion Price Share Price Share Price Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES [Abstract] ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES [Abstract] Schedule of Accrued Expenses and Other Current Liabilities [Table Text Block] Schedule of Accrued Expenses and Other Current Liabilities [Table Text Block] Schedule of Accrued Expenses and Other Current Liabilities [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Revenues by Segment by Region [Table Text Block] Schedule of Revenues by Segment by Region [Table Text Block] [Table Text Block] for Schedule of Revenues by Segment by Region [Table] Settlement Assets [Abstract] Settlement Assets [Abstract] Settlement Assets Settlement Assets [Text Block] Settlement Assets [Text Block] Leases [Abstract] Operating Lease, Payments, Use Operating Lease, Payments, Use Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Lease, Cost [Table Text Block] Operating Leases, Rent Expense, Net Right of use lease asset Operating Lease, Right-of-Use Asset Current portion of operating lease liabilities Operating Lease, Liability, Current Operating lease obligations, net of current portion Operating Lease, Liability, Noncurrent Lessee, operating lease, liability, payments due remainder of fiscal year Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Lessee, operating lease, liability, payments due year two Lessee, Operating Lease, Liability, to be Paid, Year Two Lessee, operating lease, liability, payments due year three Lessee, Operating Lease, Liability, to be Paid, Year Three Lessee, operating lease, liability, payments due year four Lessee, Operating Lease, Liability, to be Paid, Year Four Lessee, Operating Lease, Liability, to be Paid, Year Five Lessee, Operating Lease, Liability, to be Paid, Year Five Lessee, operating lease, liability, payments due after year five Lessee, Operating Lease, Liability, to be Paid, after Year Five Lessee, operating lease, liability, payments due Lessee, Operating Lease, Liability, to be Paid Operating Lease, Liability Operating Lease, Liability Capital Leases, Future Minimum Payments, Interest Included in Payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Variable Lease, Cost Variable Lease, Cost Operating Lease, Expense Operating Lease, Expense Accrued Expenses and Other Current Liabilities Other Liabilities Disclosure [Text Block] INCOME TAXES [Abstract] (10) INCOME TAXES [Abstract] Income taxes [Table] Income taxes [Table] Income taxes [Table] Income taxes [Line Items] Income taxes [Line Items] Effective Income Tax Rate Effective Income Tax Rate Reconciliation, Percent Federal Statutory Income Tax Rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Revenue from Contract with Customer [Abstract] Deferred Revenue, Additions Deferred Revenue, Additions Deferred Revenue, Revenue Recognized Deferred Revenue, Revenue Recognized Leases of Lessee Disclosure [Text Block] Leases of Lessee Disclosure [Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES [Abstract] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Foreign Currency Gain (Loss) [Member] Foreign Currency Gain (Loss) [Member] Business Operations [Axis] Business Operations [Axis] Division [Axis] Business Operations [Domain] Business Operations [Domain] [Domain] for Division [Axis] HiFX Operations [Member] HiFX Operations [Member] HiFX Operations [Member] [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Foreign Exchange Contracts [Member] Foreign Exchange Contract [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Foreign Currency Derivative Instruments, Asset at Fair Value Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value Foreign Currency Derivative Instruments, Liability at Fair Value Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value Derivative Assets, Fair Value, Gross Assets Derivative Asset, Fair Value, Gross Asset Gross Amount of Eligible Offsetting Recognized Derivative Liabilities Derivative Asset, Fair Value, Gross Liability Derivative Asset, Fair Value, Amount Not Offset Against Collateral Derivative Asset, Fair Value, Amount Not Offset Against Collateral Derivative Asset, Not Offset, Policy Election Deduction Derivative Asset, Not Offset, Policy Election Deduction Cash Collateral Received Derivative, Collateral, Obligation to Return Cash Derivative Asset, Fair Value, Amount Offset Against Collateral Derivative Asset, Fair Value, Amount Offset Against Collateral Derivative Liability, Fair Value, Gross Liability Derivative Liability, Fair Value, Gross Liability Gross Amount of Eligible Offsetting Recognized Derivative Assets Derivative Liability, Fair Value, Gross Asset Derivative Liability, Fair Value, Amount Not Offset Against Collateral Derivative Liability, Fair Value, Amount Not Offset Against Collateral Derivative Liability, Not Offset, Policy Election Deduction Derivative Liability, Not Offset, Policy Election Deduction Cash Collateral Paid Derivative, Collateral, Right to Reclaim Cash Derivative Liability, Fair Value, Amount Offset Against Collateral Derivative Liability, Fair Value, Amount Offset Against Collateral Earnings Per Share [Abstract] Schedule of Weighted Average Number of Shares [Table Text Block] Schedule of Weighted Average Number of Shares [Table Text Block] Summary of Significant Accounting Policies and Practices [Abstract] Summary Of Significant Accounting Policies And Practices. Recently Issued and Adopted Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] INCOME TAXES Income Tax Disclosure [Text Block] Document and Entity Information [Abstract] Document and Entity Information. Entities [Table] Entities [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] 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] Entity Information [Line Items] Entity Information [Line Items] Entity File Number Entity File Number Entity Small Business Entity Small Business Title of 12(b) Security Title of 12(b) Security City Area Code City Area Code Local Phone Number Local Phone Number Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Tax Identification Number Entity Tax Identification Number Entity Address, City or Town Entity Address, City or Town Entity Address, Address Line One Entity Address, Address Line One Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Emerging Growth Company Entity Emerging Growth Company Commitments Disclosure [Abstract] Commitments Disclosure [Abstract] Other Commitments [Table] Other Commitments [Table] Other Commitments [Axis] Other Commitments [Axis] Other Commitments [Domain] Other Commitments [Domain] Other Commitments [Line Items] Other Commitments [Line Items] Commitments Commitments Disclosure [Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value CashinATM CashinATM CashinATM Restricted cash Restricted Cash and Cash Equivalents, Current Settlement Assets, Current Settlement Assets, Current Trade accounts receivable, net of credit losses of $3,967 at March 31, 2020 and $3,892 at December 31, 2019 Accounts Receivable, after Allowance for Credit Loss, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Operating right of use lease asset Property and equipment, net of accumulated depreciation of $411,616 at March 31, 2020 and $410,243 at December 31, 2019 Acquired intangible assets, net of accumulated amortization of $201,810 at March 31, 2020 and $204,853 at December 31, 2019 Other assets, net of accumulated amortization of $47,941 at March 31, 2020 and $46,788 at December 31, 2019 Other Assets, Noncurrent Total assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Settlement Liabilities, Current Settlement Liabilities, Current Trade accounts payable Accounts Payable, Trade, Current Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities Accrued expenses and other current liabilities. Short-term debt obligations and current maturities of long-term debt obligations Long-term Debt, Current Maturities Income taxes payable Accrued Income Taxes, Current Deferred revenue Deferred Revenue, Current Total current liabilities Liabilities, Current Debt obligations, net of current portion Long-term Debt, Excluding Current Maturities Deferred Income Tax Liabilities, Net Deferred Income Tax Liabilities, Net Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Euronet Worldwide, Inc. stockholders' equity: Preferred Stock, $0.02 par value. 10,000,000 shares authorized; none issued Preferred Stock, Value, Issued Common Stock, $0.02 par value. 90,000,000 shares authorized; 62,853,785 issued at March 31, 2020 and 62,775,762 issued at December 31, 2019 Common Stock, Value, Issued Additional paid-in-capital Additional Paid in Capital, Common Stock Treasury stock, at cost, 10,648,096 shares at March 31, 2020 and 8,554,908 shares at December 31, 2019 Treasury Stock, Value Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total Euronet Worldwide, Inc. stockholders' equity Stockholders' Equity Attributable to Parent Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Due 2049 [Member] Due 2049 [Member] Due 2049 [Member] Senior Notes [Member] Senior Notes [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Fair Value, Recurring [Member] Fair Value, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Convertible Debt, Fair Value Disclosures Convertible Debt, Fair Value Disclosures Notes Payable, Fair Value Disclosure Notes Payable, Fair Value Disclosure Foreign Currency Contract, Asset, Fair Value Disclosure Foreign Currency Contract, Asset, Fair Value Disclosure Foreign Currency Contracts, Liability, Fair Value Disclosure Foreign Currency Contracts, Liability, Fair Value Disclosure Convertible Debt Convertible Debt Senior Notes Senior Notes Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] DEBT OBLIGATIONS [Abstract] DEBT OBLIGATIONS [Abstract] Schedule of Debt [Table Text Block] Schedule of Debt [Table Text Block] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Trading Revenue [Member] Trading Revenue [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Maximum [Member] Maximum [Member] Ria Operations [Member] Ria Operations [Member] Ria Operations [Member] Corporate Operations [Member] Corporate Operations [Member] Corporate Operations [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Foreign currency forward contract term Foreign currency forward contract term Foreign currency forward contract term, in days Derivative Asset, Notional Amount Derivative Asset, Notional Amount Foreign Currency Exchange Margin Trading Activity, Gain Capital Lease Obligations, Current Capital Lease Obligations, Current Deferred Income Taxes and Other Tax Receivable, Current Deferred Tax Liabilities, Tax Deferred Income Accrued expenses Accrued Liabilities, Current Derivative liabilities Derivative Liability, Current Accrued expenses and other current liabilities Balance Sheet Parentheticals [Abstract] Balance Sheet Parentheticals [Abstract] Allowance for doubtful accounts receivable Accounts Receivable, Allowance for Credit Loss, Current Accumulated depreciation of property and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated amortization of intangible assets Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization of other assets Accumulated amortization of other assets Accumulated amortization of other assets. Preferred Stock, par value per share Preferred Stock, Par or Stated Value Per Share Preferred Stock, shares authorized Preferred Stock, Shares Authorized Preferred Stock, shares issued Preferred Stock, Shares Issued Common Stock, par value per share Common Stock, Par or Stated Value Per Share Common Stock, shares authorized Common Stock, Shares Authorized Common Stock, shares issued Common Stock, Shares, Issued Treasury Stock, shares Treasury Stock, Shares Statement of Comprehensive Income [Abstract] Net income Translation adjustment Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive loss (income) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive (loss) income attributable to Euronet Worldwide, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Organization, Consolidation and Presentation of Financial Statements [Abstract] GENERAL Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] Credit Agreement Disclosure [Abstract] Credit Agreement Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] Euro Member Countries, Euro Euro Member Countries, Euro Sublimit [Axis] Sublimit [Axis] Sublimit [Axis] Sublimit [Domain] Sublimit [Domain] Sublimit [Domain] Letter of Credit [Member] Letter of Credit [Member] Swingline loans [Member] Swingline loans [Member] swingline loans Foreign Swingline Loans [Member] Foreign Swingline Loans [Member] Foreign Swingline Loans [Member] Convertible Debt Issue [Axis] Convertible Debt Issue [Axis] Convertible Debt Issue [Axis] Convertible Debt Issue [Domain] Convertible Debt Issue [Domain] Convertible Debt Issue [Domain] Due 2044 [Member] Due 2044 [Member] Due 2044 [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Unsecured Debt [Member] Unsecured Debt [Member] Minimum [Member] Minimum [Member] Reference rate [Axis] Reference rate [Axis] Reference rate [Axis] Reference Rate [Domain] Reference Rate [Domain] Reference Rate [Domain] London Interbank Offered Rate (LIBOR) [Member] London Interbank Offered Rate (LIBOR) [Member] Base Rate [Member] Base Rate [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Line of Credit [Member] Line of Credit [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Fair Value of Amount Outstanding Line of Credit Facility, Fair Value of Amount Outstanding Revolving Credit Facility Long-term Line of Credit Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Face Amount Debt Instrument, Face Amount Debt Instrument, Convertible, Carrying Amount of Equity Component Debt Instrument, Convertible, Carrying Amount of Equity Component Interest Expense, Debt Interest Expense, Debt Amortization of Debt Discount (Premium) Amortization of Debt Discount (Premium) Debt Instrument, Interest Rate During Period Debt Instrument, Interest Rate During Period Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount Other Debt Short-term Debt Debt, Long-term and Short-term, Combined Amount Debt, Long-term and Short-term, Combined Amount Unamortized Debt Issuance Expense Unamortized Debt Issuance Expense Debt, net of debt issuance costs Debt, net of debt issuance costs Total debt, net of debt issuance costs Short-term debt obligations and current maturities of long-term debt obligations Line of Credit Facility, Expiration Date Line of Credit Facility, Expiration Date Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate Line of Credit, Current Line of Credit, Current Accounting Policies [Abstract] Recently Issued and Adopted Accounting Pronouncements Significant Accounting Policies [Text Block] Unearned Revenue [Abstract] Unearned Revenue [Abstract] Deferred Revenue Disclosure [Text Block] Deferred Revenue Disclosure [Text Block] GOODWILL AND ACQUIRED INTANGIBLE ASSETS, NET Goodwill and Intangible Assets Disclosure [Text Block] Settlement Assets and Liabilities [Table Text Block] Settlement Assets and Liabilities [Table Text Block] Settlement Assets and Liabilities [Table Text Block] Schedule of Cash and Cash Equivalents [Table Text Block] Schedule of Cash and Cash Equivalents [Table Text Block] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Guarantee Type, Other [Member] Guarantee Type, Other [Member] Performance Guarantee [Member] Performance Guarantee [Member] Indemnification Agreement [Member] Indemnification Agreement [Member] Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Pledged Assets, Not Separately Reported, Other Pledged Assets, Not Separately Reported, Other Guarantor Obligations, Maximum Exposure, Undiscounted Guarantor Obligations, Maximum Exposure, Undiscounted Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Offsetting Assets and Liabilities [Table Text Block] Offsetting Assets and Liabilities [Table Text Block] Offsetting Assets and Liabilities [Table Text Block] Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Derivative Instruments, Gain (Loss) [Table Text Block] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Loss [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Gain (loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Allowance for Doubtful Other Receivables, Current Allowance for Doubtful Other Receivables, Current Settlement Assets Cash and Cash Equivalent Settlement Assets Cash and Cash Equivalent Settlement Assets Cash and Cash Equivalent Settlement Assets Restricted Cash Settlement Assets Restricted Cash Settlement Assets Restricted Cash Settlement Assets Account Receivable Settlement Assets Account Receivable Settlement Assets Account Receivable Settlement Assets Prepaid expenses and other current assets Settlement Assets Prepaid expenses and other current assets Settlement Assets Prepaid expenses and other current assets Settlement Obligations Trade Accounts Payable Settlement Obligations Trade Accounts Payable Settlement Obligations Trade Accounts Payable Settlement Liabilities Accrued Expenses and Other Current Liabilities Settlement Liabilities Accrued Expenses and Other Current Liabilities Settlement Liabilities Accrued Expenses and Other Current Liabilities Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case [Domain] Litigation and Contingencies Legal Matters and Contingencies [Text Block] Weighted average number of shares outstanding - basic Weighted Average Number of Shares Outstanding, Basic Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted Income Statement [Abstract] Operating expenses: Costs and Expenses [Abstract] Total operating expenses Operating income Other income (expense): Nonoperating Income (Expense) [Abstract] Interest income Investment Income, Interest Interest expense Interest Expense Loss on early retirement of debt Gain (Loss) on Extinguishment of Debt Foreign currency exchange (loss) gain, net Foreign Currency Transaction Gain (Loss), before Tax Other gains Other Nonoperating Income (Expense) Other (expense) income, net Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) Net income Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to Euronet Worldwide, Inc. Earnings per share attributable to Euronet Worldwide, Inc. stockholders - basic Earnings Per Share, Basic Earnings per share attributable to Euronet Worldwide, Inc. stockholders - diluted Earnings Per Share, Diluted Weighted average number of shares outstanding - diluted DEBT OBLIGATIONS Debt Disclosure [Text Block] Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Retained Earnings [Member] Retained Earnings [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Treasury Stock [Member] Treasury Stock [Member] AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Accounting Standards Update [Axis] Accounting Standards Update [Axis] Accounting Standards Update [Domain] Accounting Standards Update [Domain] Change in Accounting Principle, Type [Axis] Change in Accounting Principle, Type [Axis] Change in Accounting Principle, Type [Domain] Change in Accounting Principle, Type [Domain] Error Correction, Type [Axis] Error Correction, Type [Axis] Error Correction, Type [Domain] Error Correction, Type [Domain] Total Euronet Worldwide Inc. stockholders' equity Number of Shares Outstanding Period Start Common Stock, Shares, Outstanding Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Number of Shares Outstanding Period End Net income attributable to noncontrolling interest Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture APIC, Share-based Payment Arrangement, Increase for Cost Recognition APIC, Share-based Payment Arrangement, Increase for Cost Recognition Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Stock Issued During Period, Shares, Conversion of Convertible Securities Debt Conversion, Converted Instrument, Shares Issued Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired Treasury Stock, Value, Acquired, Cost Method Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments Total Euronet Worldwide Inc. stockholders' equity