Indemnification Liabilities Assumed

No definition available.

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Namespace Prefix:	grpn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Indemnification Liability

+ References

No definition available.

+ Details

Name:	grpn_IndemnificationLiability
Namespace Prefix:	grpn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Indemnification Liability, Estimated Maximum Exposure

+ References

No definition available.

+ Details

Name:	grpn_IndemnificationLiabilityMaximumExposure
Namespace Prefix:	grpn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of claims settled.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

+ Details

Name:	us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

+ Details

Name:	us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_RecordedUnconditionalPurchaseObligationLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=grpn_GrouponLatinAmericaMember
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- Details

Name:	srt_LitigationCaseAxis=grpn_DerivativeLawsuitsMember
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COMMITMENTS AND CONTINGENCIES - Additional Information (Details) $ in Millions		3 Months Ended	8 Months Ended
	Feb. 02, 2023 lawsuit	Mar. 31, 2023 USD ($) plaintiff	May 09, 2022 lawsuit	Dec. 31, 2017 USD ($)
Recorded Unconditional Purchase Obligation [Line Items]
Indemnification liabilities		$ 2.8
Maximum exposure of indemnification liability		$ 11.7
Groupon Latin America
Recorded Unconditional Purchase Obligation [Line Items]
Estimated indemnification liability				$ 5.4
Derivative Lawsuits
Recorded Unconditional Purchase Obligation [Line Items]
Loss contingency, number of plaintiffs \| plaintiff		4
Loss contingency, number of lawsuits filed \| lawsuit			4
Loss contingency, number of lawsuits settled \| lawsuit	4