Statement of Cash Flows [Abstract]
Statement [Table]
Statement [Table]
Investment Issuer [Axis]
Investment Issuer [Axis]
Investment Issuer [Domain]
Investment Issuer [Domain]
GroupMax [Member]
GroupMax [Member]
GroupMax [Member]
Disposal Group Name [Axis]
Disposal Group Name [Axis]
Disposal Group Name [Domain]
Disposal Group Name [Domain]
Investment Type [Member]
Investment Type [Member]
Restructuring Type [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Asset Impairments Related to Restructuring [Member]
Asset Impairments Related to Restructuring [Member]
Asset Impairments Related to Restructuring [Member]
Operating Activities [Axis]
Operating Activities [Axis]
Operating Activities [Domain]
Operating Activities [Domain]
Continuing Operations [Member]
Continuing Operations [Member]
Discontinued Operations [Member]
Discontinued Operations [Member]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Statement [Line Items]
Statement [Line Items]
Operating activities
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net loss
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Less: Income (loss) from discontinued operations
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Loss from continuing operations
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation, Depletion and Amortization
Depreciation, Depletion and Amortization
Amortization of acquired intangible assets
Amortization of Intangible Assets
Share-based Compensation
Share-based Compensation
Restructuring Costs and Asset Impairment Charges
Restructuring Costs and Asset Impairment Charges
Gain (Loss) on Disposition of Business
Gain (Loss) on Disposition of Business
Deferred income taxes
Deferred Income Tax Expense (Benefit)
Gain from changes in fair value of contingent consideration
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability
Fair Value, Option, Changes in Fair Value, Gain (Loss)
Fair Value, Option, Changes in Fair Value, Gain (Loss)
Amortization of Debt Discount (Premium)
Amortization of Debt Discount (Premium)
Change in assets and liabilities, net of acquisitions:
Increase (Decrease) in Operating Capital [Abstract]
Restricted cash
Increase (Decrease) in Restricted Cash for Operating Activities
Accounts receivable
Increase (Decrease) in Accounts Receivable
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Accounts payable
Increase (Decrease) in Accounts Payable
Accrued merchant and supplier payables
Increase (Decrease) in Accrued Merchant Payables
Increase (Decrease) in Accrued Merchant Payables
Accrued expenses and other current liabilities
Increase (Decrease) in Accrued Liabilities
Other, net
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Net cash provided by (used in) operating activities from continuing operations
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Net cash used in operating activities from discontinued operations
Cash Provided by (Used in) Operating Activities, Discontinued Operations
Net cash provided by (used in) operating activities
Net Cash Provided by (Used in) Operating Activities
Investing activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchases of property and equipment and capitalized software
Payments to Acquire Property, Plant, and Equipment
Cash Divested from Deconsolidation
Cash Divested from Deconsolidation
Acquisitions of intangible assets and other investing activities
Proceeds (Payments) To Acquire Intangible Assets And Other Investing Activities
Proceeds (Payments) To Acquire Intangible Assets And Other Investing Activities
Net cash used in investing activities from continuing operations
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Net cash used in investing activities from discontinued operations
Cash Provided by (Used in) Investing Activities, Discontinued Operations
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Financing activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Payments of Debt Issuance Costs
Payments of Debt Issuance Costs
Payments for Hedge, Financing Activities
Payments for Hedge, Financing Activities
Proceeds from Issuance of Warrants
Proceeds from Issuance of Warrants
Payments for purchases of treasury stock
Payments for Repurchase of Common Stock
Taxes paid related to net share settlements of stock-based compensation awards
Payments Related to Tax Withholding for Share-based Compensation
Proceeds from stock option exercises and employee stock purchase plan
Proceeds from Stock Options Exercised
Partnership distribution payments to noncontrolling interest holders
Payments to Noncontrolling Interests
Payments of capital lease obligations
Repayments of Long-term Capital Lease Obligations
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Effect of exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash and Cash Equivalents
Net decrease in cash and cash equivalents, including cash classified within current assets held for sale
Cash and Cash Equivalents, Period Increase (Decrease), including cash classified within current assets held for sale
Cash and Cash Equivalents, Period Increase (Decrease), including cash classified within current assets held for sale
Less: Increase in cash and cash equivalents classified within current assets held for sale
Net Cash Provided by (Used in) Discontinued Operations
Net decrease in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents, beginning of period
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents, end of period
Non-cash investing and financing activities
Noncash Investing and Financing Items [Abstract]
Equipment acquired under capital lease obligations
Capital Lease Obligations Incurred
Payments for Tenant Improvements
Payments for Tenant Improvements
Liability for Purchases of Treasury Stock
Liability for Purchases of Treasury Stock
Liability for Purchases of Treasury Stock
Accounts payable and accrued expenses related to purchases of property and equipment and capitalized software
Capital Expenditures Incurred but Not yet Paid
Noncash or Part Noncash Acquisition, Investments Acquired
Noncash or Part Noncash Acquisition, Investments Acquired
Fair Value Disclosures [Abstract]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Acquisition Period [Axis]
Acquisition Period [Axis]
Acquisition Period [Axis]
Acquisition Period [Domain]
Acquisition Period [Domain]
[Domain] for Acquisition Period [Axis]
Investment Type [Axis]
Investment Type [Axis]
Investments [Domain]
Investments [Domain]
Asset Class [Axis]
Asset Class [Axis]
Asset Class [Domain]
Asset Class [Domain]
Convertible debt securities [Member]
Convertible Debt Securities [Member]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Contingent Consideration, Beginning Value
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value
Contingent Consideration, Reclass
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements)
(Gain) loss, net from changes in fair value of contingent consideration
Contingent Consideration, Ending Value
Fair Value, Measurement with Unobservable Inputs, Unrealized Gain Loss
Fair Value, Measurement with Unobservable Inputs, Unrealized Gain Loss
Fair Value, Measurement with Unobservable Inputs, Unrealized Gain Loss
Stockholders' Equity Note [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Equity Award [Domain]
Employee Stock Option [Member]
Employee Stock Option [Member]
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units (RSUs) [Member]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Options [Abstract]
Options [Abstract]
Options [Abstract]
Outstanding stock options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Exercise of stock options, shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Forfeited stock options
Stock Issued During Period, Shares, Share-based Compensation, Forfeited
Outstanding stock options
Weighted average number of shares outstanding
Weighted-Average Exercise Price [Abstract]
Weighted-Average Exercise Price [Abstract]
Weighted Average Exercise Price Outstanding Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Weighted Average Exercise Price, Exercised Options
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Weighted Average Exercise Price, Forfeited Options
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Weighted Average Exercise Price Outstanding Stock Options
Weighted Average Remaining Contractual Term [Abstract]
Weighted Average Remaining Contractual Term [Abstract]
Weighted Average Remaining Contractual Term [Abstract]
Weighted Average Remaining Contractual Term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Weighted Average Remaining Contractual Term
Aggregate Intrinsic Value [Abstract]
Aggregate Intrinsic Value [Abstract]
Aggregate Intrinsic Value [Abstract]
Average Intrinsic Value, Outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Average Intrinsic Value, Outstanding
Segment Reporting [Abstract]
Segment Information
Segment Reporting Disclosure [Text Block]
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Subsequent Events [Abstract]
Common Class A [Member]
Common Class A [Member]
Employee Stock Purchase Plan [Line Items]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Stock Repurchase Program, Authorized Amount
Stock Repurchase Program, Authorized Amount
Stock Repurchased During Period, Shares
Stock Repurchased During Period, Shares
Stock Repurchased During Period, Value
Stock Repurchased During Period, Value
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased
Subsequent Event [Table]
Subsequent Event [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Performance Shares [Member]
Performance Shares [Member]
Performance Share Units, Shares Issuable Upon Vesting
Performance Share Units, Shares Issuable Upon Vesting
Performance Share Units, Shares Issuable Upon Vesting
Performance Share Units, Weighted Average Grant Date Fair Value
Performance Share Units, Weighted Average Grant Date Fair Value
Performance Share Units, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Performance Share Units, Maximum Number of Shares Issuable Upon Vesting
Performance Share Units, Maximum Number of Shares Issuable Upon Vesting
Performance Share Units, Maximum Number of Shares Issuable Upon Vesting
Performance Share Units, Total Grant Date Fair Value, Conditions Met
Performance Share Units, Total Grant Date Fair Value, Conditions Met
Performance Share Units, Total Grant Date Fair Value, Conditions Met
Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
North America [Member]
North America [Member]
ROW [Member]
ROW [Member]
ROW [Member]
EMEA [Member]
EMEA [Member]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Employee Severance [Member]
Employee Severance [Member]
Share Distribution [Member]
Acceleration of Share-Based Compensation [Member]
Acceleration of Share-Based Compensation [Member]
Other Restructuring [Member]
Other Restructuring [Member]
Restructuring Plan [Axis]
Restructuring Plan [Axis]
Restructuring Plan [Domain]
Restructuring Plan [Domain]
Facility Closing [Member]
Facility Closing [Member]
Other Comprehensive Income Location [Axis]
Other Comprehensive Income Location [Axis]
Other Comprehensive Income Location [Domain]
Other Comprehensive Income Location [Domain]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges
Restructuring Charges
Restructuring and Related Cost, Number of Positions Eliminated
Restructuring and Related Cost, Number of Positions Eliminated
Number of Countries in which Entity Operates
Number of Countries in which Entity Operates
Subsequent Event [Member]
Subsequent Event [Member]
Restructuring Reserve
Restructuring Reserve
Restructuring charges
Restructuring and Related Cost, Incurred Cost
Payments for Restructuring
Payments for Restructuring
Restructuring Reserve, Translation Adjustment
Restructuring Reserve, Foreign Currency Translation Gain (Loss)
Accounting Changes [Abstract]
Accounting Changes [Abstract]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Retained Earnings [Member]
Retained Earnings [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect on Retained Earnings, Net of Tax
Cumulative Effect on Retained Earnings, Net of Tax
Revolving Credit Agreement [Abstract]
Revolving Credit Agreement [Abstract]
Line of Credit Facility [Table]
Line of Credit Facility [Table]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
Base Rate [Member]
Base Rate [Member]
Location [Axis]
Location [Axis]
Location [Axis]
Location [Domain]
Location [Domain]
Geographic Distribution, Domestic [Member]
Geographic Distribution, Domestic [Member]
Geographic Distribution, Foreign [Member]
Geographic Distribution, Foreign [Member]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Lender Name [Axis]
Lender Name [Axis]
Line of Credit Facility, Lender [Domain]
Line of Credit Facility, Lender [Domain]
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Letter of Credit [Member]
Letter of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Cash Institution Covenant
Cash Institution Covenant
Cash Institution Covenant
Line of Credit Facility, Maximum Borrowing Capacity
Line of Credit Facility, Maximum Borrowing Capacity
Debt Instrument, Interest Rate, Stated Percentage
Debt Instrument, Interest Rate, Stated Percentage
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Securities Owned and Pledged as Collateral, Description
Securities Owned and Pledged as Collateral, Description
Unrestricted Cash Covenant
Unrestricted Cash Covenant
Unrestricted Cash Covenant
Letters of Credit Outstanding, Amount
Letters of Credit Outstanding, Amount
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Category [Axis]
Category [Axis]
Category [Axis]
Category [Domain]
Category [Domain]
[Domain] for Category [Axis]
Local [Member]
Local [Member]
Local [Member]
Acceleration of Share-Based Compensation [Member]
Country [Axis]
Country [Axis]
Country [Axis]
Country [Domain]
Country [Domain]
[Domain] for Country [Axis]
Switzerland
SWITZERLAND
United States
UNITED STATES
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Sales Revenue, Net [Member]
Sales Revenue, Net [Member]
International [Member]
International [Member]
International [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Revenue
Revenues
Acquisition-related (benefit) expense, net
Acquisition Related (Benefit) Expense, Net
This element represents acquisition-related costs and benefits incurred to effect a business combination during the period.
Income (loss) from operations
Operating Income (Loss)
Other expense, net
Other Nonoperating Income (Expense)
Provision for income taxes
Income Tax Expense (Benefit)
Net loss from continuing operations
Net loss from discontinued operations
Net loss
Concentration of risk, percentage
Concentration Risk, Percentage
Discontinued Operations and Disposal Groups [Abstract]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table]
Disposal Groups, Including Discontinued Operations [Table]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]
Disposal Groups, Including Discontinued Operations [Table Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Reclassification
Reclassification, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Common Stock Outstanding [Abstract]
Common Stock Outstanding [Abstract]
Entities [Table]
Entities [Table]
Common Class B [Member]
Common Class B [Member]
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 Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Common Stock, Shares, Outstanding
Entity Common Stock, Shares Outstanding
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Investments, All Other Investments [Abstract]
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Table]
Loss Position Greater than 1 Year [Member]
Loss Position Greater than 1 Year [Member]
Loss Position Greater than 1 Year [Member]
Investment [Axis]
Investment [Axis]
Investment [Domain]
Investment [Domain]
Redeemable preferred shares [Member]
Redeemable Preferred Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Available-for-sale Securities, Amortized Cost Basis
Available-for-sale Securities, Amortized Cost Basis
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax
Equity Method Investment, Ownership Percentage
Equity Method Investment, Ownership Percentage
Available-for-sale securities
Available-for-sale Securities
AFS Debt Security, Ownership Percentage
AFS Debt Security, Ownership Percentage
AFS Debt Security, Ownership Percentage
Earnings Per Share [Abstract]
Income (Loss) Per Share
Earnings Per Share [Text Block]
Schedule of Earnings per Share, Basic and Diluted
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Finite-Lived Intangible Assets by Major Class [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Customer Relationships [Member]
Customer Relationships [Member]
Merchant relationships [Member]
Merchant relationships [Member]
Merchant relationships [Member] - Intangible asset realized in purchase accounting for pre-existing relationships with merchant partners that resulted from a business combination.
Trade names [Member]
Trade Names [Member]
Developed Technology [Member]
Developed Technology Rights [Member]
Patents [Member]
Patents [Member]
Other Intangible Assets [Member]
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value, Intangible Assets
Finite-Lived Intangible Assets, Gross
Accumulated Amortization, Intangible Assets
Finite-Lived Intangible Assets, Accumulated Amortization
Net Carrying Value, Intangible Assets
Finite-Lived Intangible Assets, Net
Schedule of Cost-method Investments [Table]
Schedule of Cost-method Investments [Table]
Groupon Israel [Member]
Groupon Israel [Member]
Groupon Israel [Member]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Domain]
Major Types of Debt and Equity Securities [Domain]
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
Schedule of Cost-method Investments [Line Items]
Schedule of Cost-method Investments [Line Items]
Cost Method Investments
Cost Method Ownership Percentage
Cost Method Ownership Percentage - The Company's aggregate percent ownership of cost method investment.
Gross Profit by Segment and Category [Table]
Gross Profit by Category [Table]
Gross Profit by Category [Table]
Goods [Member]
Goods [Member]
Goods [Member]
Travel [Member]
Travel [Member]
Travel [Member]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Third party and other [Member]
Third party and other [Member]
Third party and other gross profit [Member]
Direct [Member]
Direct [Member]
Direct [Member]
Gross Profit by Category [Line Items]
Gross Profit by Category [Line Items]
[Line Items] for Gross Profit by Category [Table]
Gross Profit
Gross Profit
Discontinued Operations, Disposed of by Sale [Member]
Discontinued Operations, Disposed of by Sale [Member]
Assets, Total [Member]
Assets, Total [Member]
Assets, Continuing Operations
Assets
Disposal Group, Including Discontinued Operation, Assets
Disposal Group, Including Discontinued Operation, Assets
Restructuring and Related Costs
Restructuring and Related Costs [Table Text Block]
Schedule of Restructuring Reserve by Type of Cost
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
Discontinued Operations
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Nature of Expense [Axis]
Nature of Expense [Axis]
Nature of Expense [Domain]
Interim Period, Costs Not Allocable [Domain]
Transaction Costs [Member]
Transaction Costs [Member]
Transaction Costs [Member]
Excluding Transaction Costs [Member]
Excluding Transaction Costs [Member]
Excluding Transaction Costs [Member]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Senior Notes [Member]
Senior Notes [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [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]
Interest Expense, Debt, Excluding Amortization
Interest Expense, Debt, Excluding Amortization
Convertible Debt, Fair Value Disclosures
Convertible Debt, Fair Value Disclosures
Debt Instrument, Convertible, Remaining Discount Amortization Period
Debt Instrument, Convertible, Remaining Discount Amortization Period
Share Price
Share Price
Payments for Derivative Instrument, Financing Activities
Hedging Activity, Shares Covered
Hedging Activity, Shares Covered
Hedging Activity, Shares Covered
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants
Convertible Note Hedge, Strike Price
Convertible Note Hedge, Strike Price
Convertible Note Hedge, Strike Price
Class of Warrant or Right, Exercise Price of Warrants or Rights
Class of Warrant or Right, Exercise Price of Warrants or Rights
Debt Instrument, Face Amount
Debt Instrument, Face Amount
Debt Instrument, Unamortized Discount
Debt Instrument, Unamortized Discount
Convertible Notes Payable, Noncurrent
Convertible Notes Payable, Noncurrent
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt
Convertible Debt
Convertible Debt
Proceeds from Debt, Net of Issuance Costs
Proceeds from Debt, Net of Issuance Costs
Debt Conversion, Converted Instrument, Amount
Debt Conversion, Converted Instrument, Amount
Debt Conversion, Converted Instrument, Shares Issued
Debt Conversion, Converted Instrument, Shares Issued
Debt Instrument, Convertible, Conversion Price
Debt Instrument, Convertible, Conversion Price
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger
Debt Instrument, Convertible, Threshold Trading Days
Debt Instrument, Convertible, Threshold Trading Days
Debt Instrument, Convertible, Threshold Consecutive Trading Days
Debt Instrument, Convertible, Threshold Consecutive Trading Days
Debt Instrument, Interest Rate, Effective Percentage
Debt Instrument, Interest Rate, Effective Percentage
Debt Issuance Cost
Debt Related Commitment Fees and Debt Issuance Costs
Deferred Finance Costs, Net
Debt Issuance Costs, Net
Interest Expense, Debt
Interest Expense, Debt
Fair Value Measurements
Fair Value Disclosures [Text Block]
Income Statement [Abstract]
Revenue:
Revenues [Abstract]
Third party and other
Sales Revenue, Services, Net
Direct
Sales Revenue, Goods, Net
Total revenue
Cost of revenue:
Cost of Revenue [Abstract]
Third party and other
Cost of Services
Direct
Cost of Goods Sold
Total cost of revenue
Cost of Revenue
Gross profit
Operating expenses:
Operating Expenses [Abstract]
Marketing
Marketing Expense
Selling, general and administrative
Selling, General and Administrative Expense
Total operating expenses
Operating Expenses
Income (loss) from discontinued operations, net of tax
Net income attributable to noncontrolling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Net loss attributable to Groupon, Inc.
Net Income (Loss) Attributable to Parent
Basic net income (loss) per share
Earnings Per Share, Basic [Abstract]
Continuing operations
Income (Loss) from Continuing Operations, Per Basic Share
Discontinued operations
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share
Basic, net (loss) earnings per share
Earnings Per Share, Basic
Diluted net income (loss) per share
Earnings Per Share, Diluted [Abstract]
Weighted average number of shares outstanding, basic and diluted [Abstract]
Weighted average number of shares outstanding, basic and diluted [Abstract]
Weighted average number of shares outstanding, basic and diluted [Abstract]
Basic, weighted average number of shares outstanding
Weighted Average Number of Shares Outstanding, Basic
Diluted, weighted average number of shares outstanding
Weighted Average Number of Shares Outstanding, Diluted
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Other Acquisitions [Member]
Other Acquisitions [Member]
Other Acquisitions [Member]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
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]
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Fair Value, Assets and Liabilities, Reconciliation of Level 3 Inputs [Table Text Block]
Fair Value, Assets and Liabilities, Reconciliation of Level 3 Inputs [Table Text Block]
Fair Value, Assets and Liabilities, Reconciliation of Level 3 Inputs [Table Text Block]
Fair Value of Financial Assets and Liabilities not Measured at Fair Value
Fair Value of Financial Assets and Liabilities not Measured at Fair Value [Table Text Block]
Fair Value of Financial Assets and Liabilities not Measured at Fair Value
Stock Option Plans [Axis]
Stock Option Plans [Axis]
Stock Option Plans [Axis]
Stock Option Plans [Domain]
Stock Option Plans [Domain]
[Domain] for Stock Option Plans [Axis]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Employee Stock Purchase Plan, shares authorized
Employee Stock Purchase Plan, shares authorized
Employee Stock Purchase Plan, shares authorized
Employee Stock Purchase Plan, issued shares
Employee Stock Purchase Plan, issued shares
Employee Stock Purchase Plan, issued shares
Schedule of Segment Reporting Information, by Segment
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Schedule of Segment Assets
Reconciliation of Assets from Segment to Consolidated [Table Text Block]
Third Party and Other and Direct Revenue
Third Party and Other and Direct Revenue [Table Text Block]
Revenue broken out by the categories of Third party and other revenue, Goods and Travel and other.
Gross Profit by Category
Gross Profit by Category [Table Text Block]
Gross Profit by Category
Schedule of Convertible Debt Interest Expense [Table Text Block]
Schedule of Convertible Debt Interest Expense [Table Text Block]
Schedule of Convertible Debt Interest Expense [Table Text Block]
Convertible Debt [Table Text Block]
Convertible Debt [Table Text Block]
Related Party [Axis]
Related Party [Axis]
Related Party [Domain]
Related Party [Domain]
Restricted Stock Units [Abstract]
Restricted Stock [Abstract]
Restricted Stock [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Capital Units by Class [Axis]
Capital Units by Class [Axis]
Capital Unit, Class [Domain]
Capital Unit, Class [Domain]
Capital Unit, Class B [Member]
Capital Unit, Class B [Member]
Monster LP [Member]
Monster LP [Member]
Monster LP [Member]
Groupon Singapore [Member]
Groupon Singapore [Member]
Groupon Singapore [Member]
Groupon Hong Kong [Member]
Groupon Hong Kong [Member]
Groupon Hong Kong [Member]
Groupon Latin America [Member]
Groupon Latin America [Member]
Groupon Latin America [Member]
Fair-Value Option Investment, Recapitalization Transaction, Shares Exchanged
Fair-Value Option Investment, Recapitalization Transaction, Shares Exchanged
Fair-Value Option Investment, Recapitalization Transaction, Shares Exchanged
Business Disposition, Controlling Stake Sold, Percentage
Business Disposition, Controlling Stake Sold, Percentage
Business Disposition, Controlling Stake Sold, Percentage
Cash
Cash
Disposal Group Income Statement [Abstract]
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Third party and other revenue
Direct revenue
Third party and other cost of revenue
Direct cost of revenue
Marketing expense
Selling, general and administrative expense
Restructuring Charges
Other income, net
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax
Discontinued Operation, Tax Effect of Discontinued Operation
Discontinued Operation, Tax Effect of Discontinued Operation
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
Proceeds from Divestiture of Businesses, Net of Cash Divested
Proceeds from Divestiture of Businesses, Net of Cash Divested
Professional Fees
Professional Fees
Net Book Value
Net Book Value
Net Book Value
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax
Gain (Loss) on Disposition of Business
Unfavorable Contract Liability
Unfavorable Contract Liability
Unfavorable Contract Liability
Indemnification Liability
Indemnification Liability
Indemnification Liability
Noncash or Part Noncash Divestiture, Amount of Consideration Received
Noncash or Part Noncash Divestiture, Amount of Consideration Received
Accounts receivable, net
Accounts Receivable, Net, Current
Prepaid Expense and Other Assets, Current
Prepaid Expense and Other Assets, Current
Property, equipment and software, net
Property, Plant and Equipment, Net
Goodwill
Goodwill
Assets, Noncurrent
Other Assets, Noncurrent
Disposal Group, Including Discontinued Operation, Assets
Accounts Payable
Accounts Payable
Accrued merchant and supplier payable
Accrued merchant and supplier payable
Accrued merchant and supplier payable
Accrued Liabilities, Current
Accrued Liabilities, Current
Deferred Tax Liabilities, Net, Noncurrent
Deferred Tax Liabilities, Net, Noncurrent
Other Liabilities, Noncurrent
Other Liabilities, Noncurrent
Disposal Group, Including Discontinued Operation, Liabilities
Disposal Group, Including Discontinued Operation, Liabilities
SUPPLEMENTAL CONSOLIDATED BALANCE SHEET AND STATEMENT OF OPERATIONS INFORMATION [Abstract]
SUPPLEMENTAL CONSOLIDATED BALANCE SHEET AND STATEMENT OF OPERATIONS INFORMATION [Abstract] [Abstract]
Supplemental Consolidated Balance Sheets and Statements of Operations Information
Additional Financial Information Disclosure [Text Block]
Consolidated Statements of Stockholders' (Deficit) Equity [Abstract]
Consolidated Statements of Stockholders' (Deficit) Equity [Abstract]
Condensed Consolidated Statement of Stockholders' Equity
Condensed Consolidated Statement of Stockholders Equity [Table]
Condensed Consolidated Statement of Stockholders Equity [Table]
Common Stock [Member]
Common Stock [Member]
Treasury Stock [Member]
Treasury Stock [Member]
Noncontrolling Interest [Member]
Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income [Member]
AOCI Attributable to Parent [Member]
Parent [Member]
Parent [Member]
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance, Shares, Outstanding
Shares, Outstanding
Beginning Balance, Equity
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Beginning Balance, Treasury Stock, Shares
Treasury Stock, Shares
Beginning Balance, Treasury Stock, Value
Treasury Stock, Value
Cumulative Effect on Retained Earnings, Net of Tax
Foreign currency translation, net of tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax
Unrealized gain (loss) on available-for-sale debt security, net of tax
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Exercise of stock options, shares
Exercise of stock options, value
Stock Issued During Period, Value, Stock Options Exercised
Vesting of restricted stock units, shares
Vesting of restricted stock units, value
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition
Shares issued under employee stock purchase plan, shares
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Shares issued under employee stock purchase plan, value
Stock Issued During Period, Value, Employee Stock Purchase Plan
Tax withholding related to net share settlements of stock-based compensation awards, shares
Shares Paid for Tax Withholding for Share Based Compensation
Tax withholding related to net share settlements of stock-based compensation awards, value
Adjustments Related to Tax Withholding for Share-based Compensation
Stock-based compensation on equity-classified awards
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures
Purchases of treasury stock, shares
Treasury Stock, Shares, Acquired
Purchases of treasury stock, value
Treasury Stock, Value, Acquired, Cost Method
Partnership distributions to noncontrolling interest holders
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Ending Balance, Treasury Stock, Shares
Ending Balance, Treasury Stock, Value
Ending Balance, Shares, Outstanding
Ending Balance, Equity
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
OrderUp Purchase Price Allocation [Abstract]
OrderUp Purchase Price Allocation [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Goodwill and Other Intangible Assets
Goodwill and Intangible Assets Disclosure [Text Block]
Income Taxes [Table]
Income Taxes [Table]
Income Taxes [Table]
Tax event [Axis]
Tax event [Axis]
Tax event [Axis]
Tax event [Domain]
Tax event [Domain]
[Domain] for Tax event [Axis]
Amortization Period [Axis]
Amortization Period [Axis]
Amortization Period [Axis]
Amortization Period [Domain]
Amortization Period [Domain]
[Domain] for Amortization Period [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Potential Change in Unrecognized Tax Benefits
Decrease in Unrecognized Tax Benefits is Reasonably Possible
Schedule of Share-based Compensation, Stock Options, Activity
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Finite-Lived Intangible Asset, Useful Life
Finite-Lived Intangible Asset, Useful Life
Amortization of Intangible Assets
Finite-Lived Intangible Assets, Net, Amortization Expense [Abstract]
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Remaining amounts in 2016
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year
2017
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2018
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2019
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2020
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Total
Finite-Lived Intangible Assets, Amortization Expense, Total
Finite-Lived Intangible Assets, Amortization Expense, Total - The sum of the amortization expense for the remainder of 2012 through the year 2016 and beyond for what is actually calculable.
Preferred Stock, Shares Authorized
Preferred Stock, Shares Authorized
Classes of common stock, number
Classes of common stock, number
The number of classes of common stock
Common Stock, Shares Authorized
Common Stock, Shares Authorized
SWITZERLAND
Debt Disclosure [Text Block]
Debt Disclosure [Text Block]
Description of Business and Basis of Presentation
Business Description and Basis of Presentation [Text Block]
Equity [Abstract]
Schedule of Cost and Equity Method Investments
Schedule of Cost, Equity Method and Fair Value Investments [Table Text Block]
[Table Text Block] for Schedule of Cost, Equity Method and Fair Value Investments [Table]
Schedule of Available-for-sale Securities Reconciliation
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
Statement of Comprehensive Income Parenthetical [Abstract]
Statement of Comprehensive Income Parenthetical [Abstract]
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax
Tax effects for change in unrealized gain (loss)
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax
Consolidated Statements of Comprehensive Income [Abstract]
Consolidated Statements of Comprehensive Income [Abstract]
Consolidated Statements of Comprehensive Income
Condensed Consolidated Statement of Comprehensive Income [Table] [Table]
Condensed Consolidated Statement of Comprehensive Income [Table]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Other comprehensive (loss) income, net of tax:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net unrealized gain (losses) during the period
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
Reclassification of amount included in net income (loss) from continuing operations
Net change in unrealized gain (loss) - Foreign Currency Translation
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax
Net change in unrealized gain (loss), net, on AFS
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive loss
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Comprehensive income attributable to noncontrolling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Comprehensive loss attributable to Groupon Inc.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Investment [Domain]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases of Convertible Debt
Purchases of Convertible Debt
Purchases of Convertible Debt
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings
Fair Value, Option, Changes in Fair Value, Gain (Loss)
AFS Securities, Beginning Asset Value
AFS Debt Security, (losses) included in OCI
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
AFS Securities, Ending Asset Value
Unrealized Gains (Losses) Still Held - Assets
Unrealized Gains (Losses) Still Held - Assets
Unrealized Gains (Losses) Still Held - Assets
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements)
Schedule of Business Acquisition, Consideration Transferred [Abstract]
Schedule of Business Acquisition, Consideration Transferred [Abstract]
Interest and Other Income [Abstract]
Interest and Other Income [Abstract]
Interest income
Interest Income, Other
Interest expense
Interest Expense
Foreign exchange losses, net
Foreign Currency Transaction Gain (Loss), before Tax
Other Expenses
Other Expenses
Other expense, net
Reclassification of amount included in net income (loss) from continuing operations
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid Expense and Other Assets, Current [Abstract]
Finished goods inventories
Inventory, Finished Goods, Net of Reserves
Prepaid expenses
Prepaid Expense, Current
Income taxes receivable
Income Taxes Receivable, Current
VAT receivable
Value Added Tax Receivable, Current
Other
Other Assets, Current
Total prepaid expenses and other current assets
Merchant and Supplier Payables [Abstract]
Merchant and Supplier Payables [Abstract]
Merchant and Supplier Payables [Abstract]
Accrued merchant payables
Merchant payables
Merchant payables
Accrued supplier payables
Payables to suppliers of inventories
Payables to suppliers of inventories
Total accrued merchant and supplier payables
Accrued Expenses [Abstract]
ACCRUED EXPENSES [Abstract]
ACCRUED EXPENSES [Abstract]
Refunds reserve
Customer Refund Liability, Current
Payroll and benefits
Employee-related Liabilities, Current
Customer credits
Subscriber rewards and credits
Subscriber Rewards and Credits - Liability for points and rewards granted to customers that frequently purchase Groupons. Additionally liability is for rewards issued to customers who participate in online games to earn points.
Restructuring Reserve, Current
Restructuring Reserve, Current
Taxes Payable, Current
Taxes Payable, Current
Deferred revenue
Deferred Revenue, Current
Capital lease obligations
Capital Lease Obligations, Current
Other
Other Accrued Liabilities, Current
Total accrued expenses
Liabilities, Noncurrent [Abstract]
Other Non-Current Liabilities [Abstract]
Other Non-Current Liabilities [Abstract]
Long-term tax liabilities
Accrued Income Taxes, Noncurrent
Capital lease obligations
Capital Lease Obligations, Noncurrent
Other
Total other non-current liabilities
Liabilities, Noncurrent
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Foreign Currency Translation Adjustment [Member]
Unrealized Gain (Loss) On Available-For-Sale Securities [Member]
Pension Adjustment [Member]
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss) before reclassification adjustments
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Reclassification adjustments included in net income (loss)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Restructuring
Restructuring and Related Activities Disclosure [Text Block]
Revenue
Restructuring Costs
Restructuring Costs
Schedule of Cost and Equity Method Investments [Table]
Schedule of Cost and Equity Method Investments [Table]
Schedule of Cost and Equity Method Investments [Table]
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Schedule of Cost and Equity Method Investments [Line Items]
[Line Items] for Schedule of Cost and Equity Method Investments [Table]
Available-for-Sale Securities, Ownership Percentage
Cost method investments
Cost Method Investments
Cost Method Investments, Ownership Percentage
Equity method investments
Equity Method Investments
Equity Method Investments, Ownership Percentage
Total investments
Investments
Statement of Financial Position [Abstract]
Investments at Fair Value
Investments, Fair Value Disclosure
Common Stock, Par Value
Common Stock, Par or Stated Value Per Share
Common Stock, Shares, Issued
Common Stock, Shares, Issued
Common Stock, Shares, Outstanding
Common Stock, Shares, Outstanding
Treasury Stock, Shares
LOSS PER SHARE OF CLASS A AND CLASS B COMMON STOCK [Abstract] [Abstract]
LOSS PER SHARE OF CLASS A AND CLASS B COMMON STOCK [Abstract] [Abstract]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Stock Options [Member]
Restricted Stock [Member]
Restricted Stock [Member]
Employee Stock [Member]
Employee Stock [Member]
Convertible Debt [Member]
Convertible Debt [Member]
Warrant [Member]
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities, Amount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Investments
Cost and Equity Method Investments Disclosure [Text Block]
Schedule of Gain (Loss) on Investments [Table]
Schedule of Gain (Loss) on Investments [Table]
Shareholder Type [Axis]
Shareholder Type [Axis]
Shareholder Type [Axis]
Shareholder Type [Domain]
Shareholder Type [Domain]
[Domain] for Shareholder Type [Axis]
All Equityholders [Member]
All Equityholders [Member]
All Equityholders [Member]
Capital Unit, Class A-1 [Member]
Capital Unit, Class A-1 [Member]
Capital Unit, Class A-1 [Member]
Investment [Domain]
Gain (Loss) on Investments [Line Items]
Gain (Loss) on Investments [Line Items]
Fair-Value Option Investment, Recapitalization Transaction, Shares Issued
Fair-Value Option Investment, Recapitalization Transaction, Shares Issued
Fair-Value Option Investment, Recapitalization Transaction, Shares Issued
Assets, Current
Assets, Current
Fair Value, Option, Changes in Fair Value, Gain (Loss)
Fair Value Inputs, Discount Rate
Fair Value Inputs, Discount Rate
Other Assets, Noncurrent
Liabilities, Current
Liabilities, Current
Liabilities, Noncurrent
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Consumer, Outstanding Balance
Notes Receivable, Related Parties
Fair-Value Option Investments, Recapitalization Transaction, Ownership Percentage
Fair-Value Option Investments, Recapitalization Transaction, Ownership Percentage
Fair-Value Option Investments, Recapitalization Transaction, Ownership Percentage
Fair-Value Option Investments, Recapitalization Transaction, Liquidation Preference
Fair-Value Option Investments, Recapitalization Transaction, Liquidation Preference
Fair-Value Option Investments, Recapitalization Transaction, Liquidation Preference
Stock or Units Available for Distributions
Stock or Units Available for Distributions
Restricted Stock Award [Abstract]
Restricted Stock Award, Forfeitures [Abstract]
Schedule of Goodwill [Table Text Block]
Schedule of Goodwill [Table Text Block]
Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block]
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of Earnings Per Share, Basic and Diluted [Table]
Schedule of Earnings Per Share, Basic and Diluted [Table]
Schedule of Earnings Per Share, Basic and Diluted [Table]
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Derivative Contract [Domain]
Derivative Contract [Domain]
Debt Security [Axis]
Debt Security [Axis]
Major Types of Debt Securities [Domain]
Major Types of Debt Securities [Domain]
Income (Loss) from Continuing Operations, Per Basic Share
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share
Earnings Per Share, Basic
Income (Loss) from Continuing Operations, Per Basic and Diluted Share
Income (Loss) from Continuing Operations, Per Basic and Diluted Share
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic and Diluted Share
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic and Diluted Share
Earnings Per Share, Basic and Diluted
Earnings Per Share, Basic and Diluted
Allocation of net loss - continuing operations
Less: Allocation of net income attributable to noncontrolling interests
Allocation of net loss attributable to common stockholders - continuing operations
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Diluted, weighted average number of shares outstanding
Fair Value Hierarchy [Domain]
Cost Method Investments, Fair Value Disclosure
Cost Method Investments, Fair Value Disclosure
Assets
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Disposal Group, Including Discontinued Operation, Assets, Current
Disposal Group, Including Discontinued Operation, Assets, Current
Total current assets
Intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Investments
Deferred income taxes, non-current
Deferred Tax Assets, Net, Noncurrent
Disposal Group, Including Discontinued Operation, Assets, Noncurrent
Disposal Group, Including Discontinued Operation, Assets, Noncurrent
Total Assets
Liabilities and Stockholders' Equity
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued merchant and supplier payables
Accrued expenses and other current liabilities
Disposal Group, Including Discontinued Operation, Liabilities, Current
Disposal Group, Including Discontinued Operation, Liabilities, Current
Total current liabilities
Convertible Debt, Noncurrent
Convertible Debt, Noncurrent
Other non-current liabilities
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent
Total Liabilities
Liabilities
Commitments and contingencies (see Note 7)
Commitments and Contingencies
Stockholders' Equity
Stockholders' Equity Attributable to Parent [Abstract]
Common Stock, Value, Issued
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital
Treasury stock, at cost, 93,141,211 shares at September 30, 2015 and 27,239,104 shares at December 31, 2014
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total Groupon, Inc. Stockholders' Equity
Stockholders' Equity Attributable to Parent
Noncontrolling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Total Equity
Total Liabilities and Equity
Liabilities and Equity
Schedule of Other Income (Expense)
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Schedule of Prepaid Expenses and Other Current Assets
Schedule of Other Current Assets [Table Text Block]
Schedule of Accrued Merchant and Supplier Payables
Schedule of Accrued Merchant and Supplier Payables [Table Text Block]
[Table Text Block] for Schedule of Accrued Merchant and Supplier Payables [Table]
Schedule of Accrued Expenses
Schedule of Accrued Liabilities [Table Text Block]
Schedule of Other Liabilities, Noncurrent
Other Noncurrent Liabilities [Table Text Block]
Schedule of Accumulated Other Comprehensive Income (Loss)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
COMMITMENTS AND CONTINGENCIES [Abstract]
COMMITMENTS AND CONTINGENCIES [Abstract]
Loss Contingencies [Table]
Loss Contingencies [Table]
Litigation Case [Axis]
Litigation Case [Axis]
Litigation Case [Domain]
Litigation Case [Domain]
Litigation Status [Axis]
Litigation Status [Axis]
Litigation Status [Domain]
Litigation Status [Domain]
Loss Contingency Nature [Axis]
Loss Contingency Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Indemnification Liability, Maximum Exposure
Indemnification Liability, Maximum Exposure
Indemnification Liability, Maximum Exposure
Stockholders' Equity and Compensation Arrangements
Stockholders' Equity Note Disclosure [Text Block]
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
Goodwill [Line Items]
Goodwill [Line Items]
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Goodwill, beginning of period
Foreign currency translation
Goodwill, Foreign Currency Translation Gain (Loss)
Goodwill, end of period
Goodwill (Increase) Decrease, due to Segment Reallocation
Goodwill (Increase) Decrease, due to Segment Reallocation
Goodwill (Increase) Decrease, due to Segment Reallocation
Fair Value, Measurements, Recurring [Member]
Fair Value, Measurements, Recurring [Member]
Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Cash and Cash Equivalents, Fair Value Disclosure
Cash and Cash Equivalents, Fair Value Disclosure
Contingent Consideration, Fair Value Disclosure
Financial and Nonfinancial Liabilities, Fair Value Disclosure