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Property and Equipment (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Accrued capital expenditures	$ 8,600,000drh_AccruedCapitalExpenditures	$ 6,200,000drh_AccruedCapitalExpenditures
Property and Equipment
Property and equipment, at cost	3,168,088,000us-gaap_PropertyPlantAndEquipmentGross	3,388,763,000us-gaap_PropertyPlantAndEquipmentGross
Less: accumulated depreciation	(600,555,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	(624,370,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and equipment, net	2,567,533,000us-gaap_PropertyPlantAndEquipmentNet	2,764,393,000us-gaap_PropertyPlantAndEquipmentNet
Land [Member]
Property and Equipment
Property and equipment, at cost	394,957,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandMember	508,838,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandMember
Land improvements [Member]
Property and Equipment
Property and equipment, at cost	7,994,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandImprovementsMember	7,994,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandImprovementsMember
Buildings [Member]
Property and Equipment
Property and equipment, at cost	2,321,666,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingMember	2,427,274,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingMember
Furniture, Fixtures and Equipment [Member]
Property and Equipment
Property and equipment, at cost	420,367,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = drh_FurnitureFixturesAndEquipmentMember	430,873,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = drh_FurnitureFixturesAndEquipmentMember
CIP [Member]
Property and Equipment
Property and equipment, at cost	23,104,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_ConstructionInProgressMember	13,784,000us-gaap_PropertyPlantAndEquipmentGross / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_ConstructionInProgressMember
Oak Brook Hills Marriott Resort [Member]
Property, Plant and Equipment [Line Items]
Impairment loss	$ 30,400,000us-gaap_TangibleAssetImpairmentCharges / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = drh_OakBrookHillsMarriottResortMember

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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