XML 43 R67.htm IDEA: XBRL DOCUMENT v2.4.1.9

Stockholders' Equity Initial Public Offering, Convertible Preferred Stock and Common Stock (Details)	12 Months Ended
	Dec. 31, 2012 NumberofClasses	Dec. 31, 2014
Preferred Stock, Shares Authorized		50,000,000us-gaap_PreferredStockSharesAuthorized
Classes of common stock, number	3grpn_ClassesOfCommonStockNumber

X

- Definition

The number of classes of common stock

+ References

No definition available.

+ Details

Name:	grpn_ClassesOfCommonStockNumber
Namespace Prefix:	grpn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

+ Details

Name:	us-gaap_PreferredStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant