XML 66 R94.htm IDEA: XBRL DOCUMENT v2.4.1.9

Related Party Transactions (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Boomerang [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 1.0us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = grpn_BoomerangMember
InnerWorkings [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party		1.1us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = grpn_InnerWorkingsMember
Echo [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party		$ 1.9us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = grpn_EchoMember

X

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

Name:	us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=grpn_BoomerangMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=grpn_EchoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=grpn_InnerWorkingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: