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 | $ 1.0 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = grpn_BoomerangMember |
InnerWorkings [Member] |  |
Related Party Transaction [Line Items] |  |
Related Party Transaction, Expenses from Transactions with Related Party |  | 1.1 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = grpn_InnerWorkingsMember
Echo [Member] |  |
Related Party Transaction [Line Items] |  |
Related Party Transaction, Expenses from Transactions with Related Party |  | $ 1.9 us-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: |