Commitments and Contingencies - Legal Proceedings (Details)	Mar. 31, 2012 hotel
Pricing Investigation by Korea Fair Trade Commission
Loss Contingencies [Line Items]
Number of hotels included in pricing investigation, managed by Company	2

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.

No definition available.

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