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Document and Entity Information	6 Months Ended
	Jun. 17, 2011	Jul. 26, 2011
Document Information [Line Items]
Entity Registrant Name	DiamondRock Hospitality Co
Entity Central Index Key	0001298946
Document Type	10-Q
Document Period End Date	Jun. 30, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		167,385,657

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