Organization and Basis of Presentation (Details Textual) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended
Dec. 31, 2011	Dec. 31, 2012 Segment Company Brands Country	Dec. 20, 2011
Organization and Basis of Presentation (Textual) [Abstract]
Number of separate independent public companies		2
Reverse stock split of outstanding capital	A one-for-two reverse stock split
Distribution of cash dividend to Expedia Inc by the company			$ 405.5
Number of countries with localized version of websites		29
Number of other travel bands with websites		20
Number of reportable segment		1

Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 54

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 4

-Subparagraph (SAB TOPIC 4.C)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187143-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section C

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