Name:	drh_AmountofOwnersPriority
Namespace Prefix:	drh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Base Management Fee Of Two Point Five Percentage of Gross Operating Profit

No definition available.

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

Base management fee reduction, percentage

No definition available.

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

Base Management Fee of One Point Five Percentage Of Gross Revenue

No definition available.

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

The percentage to which the furniture, fixtures and equipment reserve contribution percentage is reduced until a specified level of return on invested capital (referred to as the owner's priority) is achieved by the reporting entity.

No definition available.

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

Incentive Management Fee Percentage Of Operating Profit

No definition available.

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

Percentage of Net Operating Income Before Incentive Management Fees

No definition available.

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

Property Management Fee, Additional Percent Fee

No definition available.

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

Property Management Fee Percent Fee Of Gross Revenue, Capped Percentage

No definition available.

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

The percentage charged for managing real estate properties.

No definition available.

Name:	us-gaap_PropertyManagementFeePercentFee
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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.

Name:	us-gaap_RealEstatePropertiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	drh_ManagerOfPropertiesAxis=drh_HighgateHotelsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_BethesdaMarriottSuitesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	drh_ManagerOfPropertiesAxis=drh_MarriottMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_ChicagoMarriottDowntownMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_CourtyardDenverDowntownMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	drh_ManagerOfPropertiesAxis=drh_SageHospitalityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_HiltonBurlingtonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	drh_ManagerOfPropertiesAxis=drh_InterstateHotelsAndResortsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_JwMarriotDenverAtCherryCreekMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_RenaissanceCharlestonHistoricDistrictHotelMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_SaltLakeCityMarriottDowntownMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_WestinFortLauderdaleBeachResortMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	drh_ManagerOfPropertiesAxis=drh_HEIHotelsandResortsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_TheGwenChicagoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: