$GRPN
Groupon, Inc. Stock $grpn

$grpn Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-Q Financial Statement

#000149028119000105 Filed on November 04, 2019

Income Statement

Concept	2019 Q4	2019 Q3	2019 Q2
Revenue	$612.3M	$495.6M	$532.6M
YoY Change	-23.45%	-16.41%	-13.74%
Cost Of Revenue	$302.3M	$217.7M	$240.4M
YoY Change	-30.33%	-24.13%	-18.14%
Gross Profit	$310.0M	$277.9M	$292.1M
YoY Change	-15.31%	-9.17%	-9.74%
Gross Profit Margin	50.63%	56.08%	54.85%
Selling, General & Admin	$269.9M	$198.4M	$210.4M
YoY Change	-11.28%	23.8%	-28.37%
% of Gross Profit	87.05%	71.38%	72.02%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$24.40M	$25.80M	$27.20M
YoY Change	-14.39%	-10.1%	-6.21%
% of Gross Profit	7.87%	9.28%	9.31%
Operating Expenses	$269.9M	$273.3M	$299.3M
YoY Change	-11.3%	8.04%	-22.85%
Operating Profit	$40.11M	$4.637M	-$7.139M
YoY Change	-35.18%	-91.25%	-88.89%
Interest Expense	$48.90M	$6.029M	$5.442M
YoY Change	-482.03%	5.53%	4.09%
% of Operating Profit	121.93%	130.02%
Other Income/Expense, Net	$400.0K	-$17.25M	-$28.49M
YoY Change	-200.0%	255.0%	7.7%
Pretax Income	$79.40M	-$12.62M	-$35.63M
YoY Change	63.04%	-126.19%	-60.71%
Income Tax	$200.0K	$2.069M	$2.012M
% Of Pretax Income	0.25%
Net Earnings	$77.04M	-$16.69M	-$40.25M
YoY Change	66.65%	-137.4%	-57.65%
Net Earnings / Revenue	12.58%	-3.37%	-7.56%
Basic Earnings Per Share	$0.14	-$0.03	-$0.07
Diluted Earnings Per Share	$0.13	-$0.03	-$0.07
COMMON SHARES
Basic Shares Outstanding	564.7M shares	28.35M shares	28.40M shares
Diluted Shares Outstanding		28.35M shares	28.40M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2019 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$750.9M	$567.3M	$596.8M
YoY Change	-10.71%	-0.89%	-11.11%
Cash & Equivalents	$750.9M	$567.3M	$596.8M
Short-Term Investments
Other Short-Term Assets	$24.78M	$15.51M	$22.71M
YoY Change	27.4%	-20.18%	15.79%
Inventory	$25.40M	$27.40M	$29.20M
Prepaid Expenses	$27.08M	$31.87M	$32.41M
Receivables	$54.95M	$56.09M	$74.71M
Other Receivables	$4.700M	$6.900M	$6.700M
Total Short-Term Assets	$887.9M	$705.0M	$762.6M
YoY Change	-11.09%	-6.24%	-9.61%
LONG-TERM ASSETS
Property, Plant & Equipment	$125.0M	$133.1M	$134.7M
YoY Change	-12.69%	-9.41%	-9.28%
Goodwill	$325.0M	$319.6M	$324.7M
YoY Change	-0.15%	-2.4%	-1.25%
Intangibles	$35.29M	$36.50M	$39.00M
YoY Change	-22.27%	-25.56%	5.18%
Long-Term Investments	$1.405M	$4.931M	$4.917M
YoY Change	-98.1%	-93.39%	-93.44%
Other Assets	$28.61M	$26.27M	$24.44M
YoY Change	36.29%	36.49%	16.08%
Total Long-Term Assets	$698.8M	$665.7M	$676.6M
YoY Change	8.6%	2.11%	4.9%
TOTAL ASSETS
Total Short-Term Assets	$887.9M	$705.0M	$762.6M
Total Long-Term Assets	$698.8M	$665.7M	$676.6M
Total Assets	$1.587B	$1.371B	$1.439B
YoY Change	-3.37%	-2.37%	-3.32%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$20.42M	$21.49M	$26.97M
YoY Change	-46.78%	27.81%	17.12%
Accrued Expenses	$260.2M	$239.1M	$258.6M
YoY Change	-2.56%	-11.35%	-29.63%
Deferred Revenue	$17.95M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$8.000M	$8.900M	$11.20M
YoY Change	-53.49%	-57.62%	-52.94%
Total Short-Term Liabilities	$821.5M	$688.8M	$749.7M
YoY Change	-14.17%	-10.68%	-18.4%
LONG-TERM LIABILITIES
Long-Term Debt	$220.7M	$211.4M	$208.1M
YoY Change	3.03%	0.28%	-0.19%
Other Long-Term Liabilities	$44.99M	$14.12M	$16.82M
YoY Change	371.36%	46.91%	58.02%
Total Long-Term Liabilities	$44.99M	$50.96M	$53.74M
YoY Change	-55.32%	-50.3%	-47.94%
TOTAL LIABILITIES
Total Short-Term Liabilities	$821.5M	$688.8M	$749.7M
Total Long-Term Liabilities	$44.99M	$50.96M	$53.74M
Total Liabilities	$1.192B	$1.070B	$1.133B
YoY Change	-5.39%	-0.25%	-6.94%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.033B	-$1.110B	-$1.093B
YoY Change	2.21%	5.03%	-0.74%
Common Stock	$4.000K	$76.00K	$76.00K
YoY Change	-94.74%	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$922.7M	$922.7M	$907.6M
YoY Change	5.15%	6.37%	4.63%
Treasury Stock Shares	10.29M shares
Shareholders Equity	$393.9M	$300.4M	$305.3M
YoY Change
Total Liabilities & Shareholders Equity	$1.587B	$1.371B	$1.439B
YoY Change	-3.37%	-2.37%	-3.32%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2019 Q2
OPERATING ACTIVITIES
Net Income	$77.04M	-$16.69M	-$40.25M
YoY Change	66.65%	-137.4%	-57.65%
Depreciation, Depletion And Amortization	$24.40M	$25.80M	$27.20M
YoY Change	-14.39%	-10.1%	-6.21%
Cash From Operating Activities	$201.4M	$18.60M	-$1.200M
YoY Change	-37.82%	-132.4%	-102.72%
INVESTING ACTIVITIES
Capital Expenditures	-$16.20M	-$19.50M	-$17.30M
YoY Change	-5.81%	-40.0%	-3.35%
Acquisitions
YoY Change
Other Investing Activities	$3.500M	$0.00	$0.00
YoY Change	-1266.67%	-100.0%	-100.0%
Cash From Investing Activities	-$12.70M	-$19.50M	-$17.30M
YoY Change	-27.43%	-12.95%	-77.15%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-10.60M	-22.60M	-31.60M
YoY Change	-69.8%	132.99%	68.98%
NET CHANGE
Cash From Operating Activities	201.4M	18.60M	-1.200M
Cash From Investing Activities	-12.70M	-19.50M	-17.30M
Cash From Financing Activities	-10.60M	-22.60M	-31.60M
Net Change In Cash	178.1M	-23.50M	-50.10M
YoY Change	-34.35%	-73.74%	-0.4%
FREE CASH FLOW
Cash From Operating Activities	$201.4M	$18.60M	-$1.200M
Capital Expenditures	-$16.20M	-$19.50M	-$17.30M
Free Cash Flow	$217.6M	$38.10M	$16.10M
YoY Change	-36.21%	-253.01%	-74.03%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Address Address Line1 EntityAddressAddressLine1	600 W Chicago Avenue
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	60654
CY2018Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	46000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	60000	USD
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	769175284	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	569084312	shares
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-0903295
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	563292929	shares
	us-gaap	Debt Instrument Convertible Remaining Discount Amortization Period1 DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1	P2Y6M0D
	dei	Entity Central Index Key EntityCentralIndexKey	0001490281
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2010000000	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2010000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	760939440	shares
CY2019Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-16000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-51000	USD
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-35335
	dei	Entity Registrant Name EntityRegistrantName	Groupon, Inc.
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 400
	dei	Entity Address City Or Town EntityAddressCityOrTown	Chicago
	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
	dei	City Area Code CityAreaCode	(312)
	dei	Local Phone Number LocalPhoneNumber	334-1579
	dei	Security12b Title Security12bTitle	Common stock, par value $0.0001 per share
	dei	Trading Symbol TradingSymbol	GRPN
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	567285000	USD
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CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	56094000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	69493000	USD
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CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	143117000	USD
CY2019Q3	grpn	Operating Lease Rightof Use Asset Net OperatingLeaseRightofUseAssetNet	112133000	USD
CY2018Q4	grpn	Operating Lease Rightof Use Asset Net OperatingLeaseRightofUseAssetNet	0	USD
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CY2019Q3	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	211441000	USD
CY2018Q4	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	201669000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	118408000	USD
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CY2018Q4	us-gaap	Common Stock Value CommonStockValue	76000	USD
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CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2234560000	USD
CY2019Q3	us-gaap	Treasury Stock Value TreasuryStockValue	922666000	USD
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CY2019Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	217672000	USD
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	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.17
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.10
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	566971238	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	568634988	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	568339335	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	565227625	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	566971238	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	576379421	shares
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	22000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	568339335	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	565227625	shares
CY2019Q3	us-gaap	Profit Loss ProfitLoss	-14685000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	47175000	USD
	us-gaap	Profit Loss ProfitLoss	-91338000	USD
	us-gaap	Profit Loss ProfitLoss	-47874000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	4439000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-72000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	4426000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1166000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-47000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	94000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-151000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-842000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4392000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4275000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	324000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-10293000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	47197000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-87063000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-47550000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2000000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2560000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	8080000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	9433000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-12293000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	44637000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-95143000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-56983000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	382611000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	-35695000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8000	USD
CY2019Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	0	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1998000	USD
CY2019Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	5681000	USD
CY2019Q1	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	15055000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	17731000	USD
CY2019Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	3521000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	342396000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	-41075000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	32000	USD
CY2019Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	0	USD
CY2019Q2	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	5387000	USD
CY2019Q2	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	15053000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	28339000	USD
CY2019Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	3113000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	306139000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-10293000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2085000	USD
CY2019Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2049000	USD
CY2019Q3	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	15067000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	22364000	USD
CY2019Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	2053000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	301126000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	251845000	USD
CY2018Q1	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Net Income NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome	88945000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-4864000	USD
CY2018Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	6000	USD
CY2018Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	0	USD
CY2018Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2434000	USD
CY2018Q1	grpn	Shares Issued To Settle Liability Classified Awards SharesIssuedToSettleLiabilityClassifiedAwards	6436000	USD
CY2018Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	9355000	USD
CY2018Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	18240000	USD
CY2018Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	3315000	USD
CY2018Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	350372000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-89883000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	64000	USD
CY2018Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	0	USD
CY2018Q2	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	5144000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	19353000	USD
CY2018Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	3625000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	271137000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	47197000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	6000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	3200000	USD
CY2018Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4531000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	17007000	USD
CY2018Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	2376000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	331640000	USD
	us-gaap	Profit Loss ProfitLoss	-91338000	USD
	us-gaap	Profit Loss ProfitLoss	-47874000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	2162000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-93500000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-47874000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	69986000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	76984000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11419000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	10316000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	62517000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	50670000	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	10156000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	816000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6575000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-68971000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-8312000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	9772000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	8822000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-12581000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-20217000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2591000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2695000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-16892000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-16034000	USD
	grpn	Increase Decrease In Accrued Merchant Payables IncreaseDecreaseInAccruedMerchantPayables	-216127000	USD
	grpn	Increase Decrease In Accrued Merchant Payables IncreaseDecreaseInAccruedMerchantPayables	-214748000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-62728000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-45175000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-20476000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-14663000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-130118000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-132961000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-130118000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-132961000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	51854000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	53611000	USD
	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	0	USD
	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	1500000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	0	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	8594000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	57821000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3037000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	17147000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-54891000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-118485000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-54891000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-118485000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2384000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	44162000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	13975000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	18638000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4123000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5710000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	8687000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	9316000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	16868000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	25289000	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	1815000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-81953000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-49348000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-9153000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-9287000	USD
	grpn	Cash Cash Equivalentsand Restricted Cash Period Increase Decrease Including Cashfrom Discontinued Operations CashCashEquivalentsandRestrictedCashPeriodIncreaseDecreaseIncludingCashfromDiscontinuedOperations	-276115000	USD
	grpn	Cash Cash Equivalentsand Restricted Cash Period Increase Decrease Including Cashfrom Discontinued Operations CashCashEquivalentsandRestrictedCashPeriodIncreaseDecreaseIncludingCashfromDiscontinuedOperations	-310081000	USD
	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	0	USD
	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	0	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-276115000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-310081000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	844728000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	885481000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	568613000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	575400000	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	3865000	USD
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	13789000	USD
	grpn	Leasehold Improvements Fundedby Lessor Noncash LeaseholdImprovementsFundedbyLessorNoncash	0	USD
	grpn	Leasehold Improvements Fundedby Lessor Noncash LeaseholdImprovementsFundedbyLessorNoncash	557000	USD
	grpn	Liabilityfor Purchasesof Treasury Stock LiabilityforPurchasesofTreasuryStock	-1469000	USD
	grpn	Liabilityfor Purchasesof Treasury Stock LiabilityforPurchasesofTreasuryStock	0	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	201000	USD
CY2017Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	4932000	USD
CY2019Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	227000	USD
CY2018Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	387000	USD
CY2018Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	393000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	699000	USD
CY2019Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	0	USD
CY2018Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	1589000	USD
	grpn	Present Valueof Financing Obligation PresentValueofFinancingObligation	0	USD
	grpn	Present Valueof Financing Obligation PresentValueofFinancingObligation	8604000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	567285000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	841021000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	572358000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	880129000	USD
CY2019Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	1101000	USD
CY2018Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	3320000	USD
CY2018Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	2649000	USD
CY2017Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	420000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	568613000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	844728000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	575400000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	885481000	USD
CY2019Q3	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="line-height:120%;padding-bottom:16px;text-align:left;padding-left:48px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;font-weight:bold;">Reclassifications and Terminology Changes</span></div>Certain reclassifications have been made to the condensed consolidated financial statements of prior periods and the accompanying notes to conform to the current period presentation
	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-bottom:16px;text-align:left;padding-left:48px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;font-weight:bold;">Use of Estimates</span></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires estimates and assumptions that affect the reported amounts and classifications of assets and liabilities, revenue and expenses, and the related disclosures of contingent liabilities in the condensed consolidated financial statements and accompanying notes. Estimates are used for, but not limited to, variable consideration from unredeemed vouchers, income taxes, initial valuation and subsequent impairment testing of goodwill and intangible assets, investments, customer refunds, contingent liabilities and the useful lives of property, equipment and software and intangible assets. Actual results could differ materially from those estimates.</span></div>
CY2018Q4	us-gaap	Goodwill Goodwill	325491000	USD
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-5934000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	319557000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	109844000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	73347000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	36497000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	107570000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	62169000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	45401000	USD
CY2019Q3	grpn	Intangible Asset Amortization Expense IntangibleAssetAmortizationExpense	3700000	USD
CY2018Q3	grpn	Intangible Asset Amortization Expense IntangibleAssetAmortizationExpense	3900000	USD
	grpn	Intangible Asset Amortization Expense IntangibleAssetAmortizationExpense	11400000	USD
	grpn	Intangible Asset Amortization Expense IntangibleAssetAmortizationExpense	10300000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	2843000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	8445000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	7336000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	6750000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5613000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	5510000	USD
CY2019Q3	grpn	Finite Lived Intangible Assets Amortization Expense Total FiniteLivedIntangibleAssetsAmortizationExpenseTotal	36497000	USD
CY2019Q3	us-gaap	Investments Investments	38124000	USD
CY2018Q4	us-gaap	Investments Investments	108515000	USD
CY2019Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	9961000	USD
CY2018Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	9961000	USD
CY2019Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	177000	USD
CY2018Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	379000	USD
CY2019Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	10138000	USD
CY2018Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	10340000	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	5500000	USD
CY2019Q3	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	14000	USD
CY2018Q3	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-244000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-68971000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-8312000	USD
	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	4700000	USD
CY2019Q3	us-gaap	Interest Income Other InterestIncomeOther	1959000	USD
CY2018Q3	us-gaap	Interest Income Other InterestIncomeOther	1513000	USD
	us-gaap	Interest Income Other InterestIncomeOther	5810000	USD
	us-gaap	Interest Income Other InterestIncomeOther	4858000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	6029000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	5713000	USD
	us-gaap	Interest Expense InterestExpense	17162000	USD
	us-gaap	Interest Expense InterestExpense	16434000	USD
CY2019Q3	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	14000	USD
CY2018Q3	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-244000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-68971000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-8312000	USD
CY2019Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-12785000	USD
CY2018Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1033000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-11855000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-12168000	USD
CY2019Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2018Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	112000	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	10156000	USD
CY2019Q3	us-gaap	Other Nonrecurring Income Expense OtherNonrecurringIncomeExpense	412000	USD
CY2018Q3	us-gaap	Other Nonrecurring Income Expense OtherNonrecurringIncomeExpense	-729000	USD
	us-gaap	Other Nonrecurring Income Expense OtherNonrecurringIncomeExpense	424000	USD
	us-gaap	Other Nonrecurring Income Expense OtherNonrecurringIncomeExpense	-2380000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-17253000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-4860000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-92602000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-39832000	USD
CY2019Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	27422000	USD
CY2018Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	33739000	USD
CY2019Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	31865000	USD
CY2018Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	28209000	USD
CY2019Q3	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	6875000	USD
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	6717000	USD
CY2019Q3	us-gaap	Other Assets Current OtherAssetsCurrent	15505000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	19450000	USD
CY2019Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	81667000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	88115000	USD
CY2019Q3	grpn	Merchantpayables Merchantpayables	308269000	USD
CY2018Q4	grpn	Merchantpayables Merchantpayables	371279000	USD
CY2019Q3	grpn	Payablestosuppliersofinventories Payablestosuppliersofinventories	119908000	USD
CY2018Q4	grpn	Payablestosuppliersofinventories Payablestosuppliersofinventories	280502000	USD
CY2019Q3	grpn	Accruedmerchantandsupplierpayable Accruedmerchantandsupplierpayable	428177000	USD
CY2018Q4	grpn	Accruedmerchantandsupplierpayable Accruedmerchantandsupplierpayable	651781000	USD
CY2019Q3	us-gaap	Customer Refund Liability Current CustomerRefundLiabilityCurrent	18083000	USD
CY2018Q4	us-gaap	Customer Refund Liability Current CustomerRefundLiabilityCurrent	27957000	USD
CY2019Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	62664000	USD
CY2018Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	56173000	USD
CY2019Q3	us-gaap	Accrued Marketing Costs Current AccruedMarketingCostsCurrent	22450000	USD
CY2018Q4	us-gaap	Accrued Marketing Costs Current AccruedMarketingCostsCurrent	39094000	USD
CY2019Q3	grpn	Customercredits Customercredits	16362000	USD
CY2018Q4	grpn	Customercredits Customercredits	15118000	USD
CY2019Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	4337000	USD
CY2018Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	8987000	USD
CY2019Q3	us-gaap	Deferred Revenue DeferredRevenue	15993000	USD
CY2018Q4	us-gaap	Deferred Revenue DeferredRevenue	25452000	USD
CY2019Q3	grpn	Lease Liability Current LeaseLiabilityCurrent	40399000	USD
CY2018Q4	grpn	Lease Liability Current LeaseLiabilityCurrent	17207000	USD
CY2019Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	58816000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	77046000	USD
CY2019Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	239104000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	267034000	USD
CY2019Q3	grpn	Operating Lease Liability Current Additional Amount Recognized Dueto Adoptionof Topic842 OperatingLeaseLiabilityCurrentAdditionalAmountRecognizedDuetoAdoptionofTopic842	25000000.0	USD
CY2019Q3	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	32440000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	39858000	USD
CY2019Q3	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	0	USD
CY2018Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	32186000	USD
CY2019Q3	us-gaap	Deferred Income Taxes And Other Tax Liabilities Noncurrent DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent	4403000	USD
CY2018Q4	us-gaap	Deferred Income Taxes And Other Tax Liabilities Noncurrent DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent	6619000	USD
CY2019Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	14118000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	22025000	USD
CY2019Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	50961000	USD
CY2018Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	100688000	USD
	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	243200000	USD
CY2016Q2	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0325
CY2016Q2	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	1000	USD
CY2016Q2	us-gaap	Debt Conversion Converted Instrument Shares Issued1 DebtConversionConvertedInstrumentSharesIssued1	185.1852	shares
CY2016Q2	us-gaap	Debt Instrument Convertible Threshold Percentage Of Stock Price Trigger DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger	1.50
CY2016Q2	us-gaap	Debt Instrument Convertible Threshold Trading Days DebtInstrumentConvertibleThresholdTradingDays	20
CY2016Q2	us-gaap	Debt Instrument Convertible Threshold Consecutive Trading Days1 DebtInstrumentConvertibleThresholdConsecutiveTradingDays1	30
CY2019Q3	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.0975
CY2016	us-gaap	Debt Related Commitment Fees And Debt Issuance Costs DebtRelatedCommitmentFeesAndDebtIssuanceCosts	6800000	USD
CY2016Q2	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	4800000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	2000000.0	USD
CY2019Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	250000000	USD
CY2018Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	250000000	USD
CY2019Q3	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	38559000	USD
CY2018Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	48331000	USD
CY2019Q3	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	211441000	USD
CY2018Q4	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	201669000	USD
CY2019Q3	us-gaap	Convertible Debt Fair Value Disclosures ConvertibleDebtFairValueDisclosures	259000000.0	USD
CY2018Q4	us-gaap	Convertible Debt Fair Value Disclosures ConvertibleDebtFairValueDisclosures	257100000	USD
CY2019Q3	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	2032000	USD
CY2018Q3	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	2032000	USD
	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	6096000	USD
	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	6096000	USD
CY2019Q3	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	3341000	USD
CY2018Q3	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	3016000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	9772000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	8822000	USD
CY2019Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	5373000	USD
CY2018Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	5048000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	15868000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	14918000	USD
CY2016Q2	us-gaap	Derivative Cost Of Hedge DerivativeCostOfHedge	59100000	USD
CY2016Q2	grpn	Hedging Activity Shares Covered HedgingActivitySharesCovered	46300000	shares
CY2016Q2	grpn	Convertible Note Hedge Strike Price ConvertibleNoteHedgeStrikePrice	5.40
CY2016	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	35500000	USD
CY2016Q2	grpn	Hedging Activity Shares Covered HedgingActivitySharesCovered	46300000	shares
CY2016Q2	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1	8.50
CY2016Q2	grpn	Convertible Note Hedge Strike Price ConvertibleNoteHedgeStrikePrice	5.40
CY2016Q2	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1	8.50
CY2019Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	400000000.0	USD
CY2019Q3	us-gaap	Debt Issuance Costs Line Of Credit Arrangements Gross DebtIssuanceCostsLineOfCreditArrangementsGross	2400000	USD
CY2019Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	400000000.0	USD
CY2019Q3	grpn	Unrestricted Cash Covenant UnrestrictedCashCovenant	250000000.0	USD
CY2019Q3	grpn	Cash Institution Covenant CashInstitutionCovenant	125000000.0	USD
CY2019Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	18000000.0	USD
CY2018Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	19200000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	109600000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	130757000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	31255000	USD
CY2019Q3	grpn	Lease Rightof Use Asset LeaseRightofUseAsset	162012000	USD
CY2019Q3	grpn	Accumulated Amortization Rightofuse Assets AccumulatedAmortizationRightofuseAssets	29964000	USD
CY2019Q3	grpn	Lease Rightof Use Asset Net LeaseRightofUseAssetNet	132048000	USD
CY2019Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y
CY2019Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.051
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.056
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	3492000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	16247000	USD
CY2019Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	243000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	816000	USD
CY2019Q3	grpn	Finance Lease Cost FinanceLeaseCost	3735000	USD
	grpn	Finance Lease Cost FinanceLeaseCost	17063000	USD
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	8573000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	25784000	USD
CY2019Q3	us-gaap	Variable Lease Cost VariableLeaseCost	2410000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	6319000	USD
CY2019Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	52000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	262000	USD
CY2019Q3	us-gaap	Sublease Income SubleaseIncome	1248000	USD
	us-gaap	Sublease Income SubleaseIncome	3872000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	13522000	USD
	us-gaap	Lease Cost LeaseCost	45556000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	2056000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	10003000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	9611000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	36609000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	5261000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	34416000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	715000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	33579000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	12000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	25130000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	33103000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	17655000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	172840000	USD
CY2019Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	863000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	22972000	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	16792000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	149868000	USD
CY2019Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	8939000	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	31460000	USD
CY2019Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	7853000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	118408000	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear	1246	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	5027	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	5065	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	5103	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	4385	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	4891	USD
CY2019Q3	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	25717	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	816000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	25121000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	16868000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	3865000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	23123000	USD
	grpn	Gainon Expirationof Indemnity Liability GainonExpirationofIndemnityLiability	2200000	USD
CY2019Q3	grpn	Indemnification Liabilities IndemnificationLiabilities	3200000	USD
CY2019Q3	grpn	Indemnification Liability Maximum Exposure IndemnificationLiabilityMaximumExposure	13300000	USD
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2010000000	shares
CY2018Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	300000000.0	USD
CY2019Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	5391084	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	14027227	shares
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	15100000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	45200000	USD
CY2019Q3	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	245000000.0	shares
CY2019Q3	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	71768289	shares
CY2019Q3	us-gaap	Share Based Compensation ShareBasedCompensation	19543000	USD
CY2018Q3	us-gaap	Share Based Compensation ShareBasedCompensation	15026000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	62517000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	50670000	USD
CY2019Q3	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	2000000.0	USD
CY2018Q3	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	2000000.0	USD
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	5500000	USD
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	5700000	USD
CY2019Q3	grpn	Criteriafor Contingently Issuable Shares CriteriaforContingentlyIssuableShares	6.00
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.498
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	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	7980870	shares
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CY2018Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	212787	shares
CY2018Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	1.80
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P1Y4M13D
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	298000	USD
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	42500	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0.96
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	2050	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	1.68
CY2019Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	168237	shares
CY2019Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	1.95
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P0Y8M1D
CY2019Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	119000	USD
CY2019Q3	us-gaap	Deferred Revenue DeferredRevenue	16000000.0	USD
CY2018Q4	us-gaap	Deferred Revenue DeferredRevenue	25500000	USD
	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	25000000.0	USD
CY2018Q4	grpn	Customercredits Customercredits	15118000	USD
	grpn	Customer Credits Credits Issued CustomerCreditsCreditsIssued	85053000	USD
	grpn	Customer Credits Credits Redeemed CustomerCreditsCreditsRedeemed	74974000	USD
	grpn	Customer Credits Breakage Revenue Recognized CustomerCreditsBreakageRevenueRecognized	8617000	USD
	grpn	Customer Credits Foreign Currency Translation CustomerCreditsForeignCurrencyTranslation	218000	USD
CY2019Q3	grpn	Customercredits Customercredits	16362000	USD
CY2019Q3	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	5010000	USD
CY2018Q3	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	6151000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	15549000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	19450000	USD
CY2019Q3	grpn	Revenuefrom Contractwith Customers Revenueconstrainedandtoberecognizedinfutureperiods RevenuefromContractwithCustomersRevenueconstrainedandtoberecognizedinfutureperiods	16500000	USD
CY2018Q4	grpn	Revenuefrom Contractwith Customers Revenueconstrainedandtoberecognizedinfutureperiods RevenuefromContractwithCustomersRevenueconstrainedandtoberecognizedinfutureperiods	13700000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2069000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	988000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	591000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	205000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-12616000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	48163000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-92909000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-47669000	USD
CY2018Q2	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	2500000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1207000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1529000	USD
CY2019Q2	us-gaap	Equity Method Investments EquityMethodInvestments	4917000	USD
CY2018Q2	us-gaap	Equity Method Investments EquityMethodInvestments	74898000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	73902000	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	82966000	USD
CY2019Q3	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	14000	USD
CY2018Q3	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-244000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-68971000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-8312000	USD
CY2019Q3	us-gaap	Equity Method Investments EquityMethodInvestments	4931000	USD
CY2018Q3	us-gaap	Equity Method Investments EquityMethodInvestments	74654000	USD
CY2019Q3	us-gaap	Equity Method Investments EquityMethodInvestments	4931000	USD
CY2018Q3	us-gaap	Equity Method Investments EquityMethodInvestments	74654000	USD
CY2018Q3	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-244000	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-68971000	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-8312000	USD
CY2019Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1239000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1542000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1529000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	0	USD
CY2018Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	1589000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2018Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	312000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	6000	USD
CY2018Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	21000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	33000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	35000	USD
CY2019Q3	grpn	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation	38000	USD
CY2018Q3	grpn	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation	20000	USD
	grpn	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation	43000	USD
	grpn	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation	81000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1207000	USD
CY2018Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1543000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1207000	USD
CY2018Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1543000	USD
CY2019Q3	us-gaap	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	6000	USD
CY2018Q3	us-gaap	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	21000	USD
	us-gaap	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	33000	USD
	us-gaap	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	35000	USD
	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	4700000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-14685000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	47175000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-93500000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-47874000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2000000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2560000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	8080000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-101580000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	9433000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-16685000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	44615000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-16685000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	44615000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-99418000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-57307000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	566971238	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	568634988	shares
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-57307000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	2162000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	568339335	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	565227625	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	566971238	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	576379421	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	568339335	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	565227625	shares
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.03
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.08
	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.18
	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.10
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare	0
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare	0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare	0
CY2019Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.03
CY2018Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.08
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.17
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.10
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	129531871	shares
CY2018Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	105071010	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	127372441	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	125738830	shares
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	4637000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	53023000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-307000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-7837000	USD
	grpn	Acquisition Related Benefit Expense Net AcquisitionRelatedBenefitExpenseNet	700000	USD
CY2019Q3	us-gaap	Assets Assets	1370702000	USD
CY2018Q4	us-gaap	Assets Assets	1642142000	USD

Files In Submission

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$GRPN
Groupon, Inc. Stock $grpn

2019 Q4 Form 10-Q Financial Statement

#000149028119000105 Filed on November 04, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GRPN Groupon, Inc. Stock $grpn

2019 Q4 Form 10-Q Financial Statement

#000149028119000105 Filed on November 04, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GRPN
Groupon, Inc. Stock $grpn