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Commitments and Contingencies (Details) (Hilton Garden Inn Chelsea/New York City [Member])	3 Months Ended
	Mar. 31, 2013
Hilton Garden Inn Chelsea/New York City [Member]
Performance Termination Provisions Under Management Agreements [Line Items]
Reduction in base management fee	2.00%

X

- Definition

Base management fee reduction, percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	drh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	drh_PerformanceTerminationProvisionsUnderManagementAgreementsLineItems
Namespace Prefix:	drh_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration