XML 84 R70.htm IDEA: XBRL DOCUMENT v3.10.0.1

Relationships with Managers and Franchisors - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($) hotel	Dec. 31, 2017 USD ($) hotel	Dec. 31, 2016 USD ($) hotel	Dec. 31, 2015 USD ($)
Real Estate Properties [Line Items]
Number of hotels that earned incentive management fees | hotel		9	10	9
Amortization		$ 2,568	$ 5,760	$ 2,851
Number of franchised hotels | hotel		13
Key Money
Real Estate Properties [Line Items]
Amortization		$ 2,600	5,800	$ 2,900
Key Money | The Gwen Chicago
Real Estate Properties [Line Items]
Amortization					$ 3,000
Key Money | Courtyard Manhattan / Midtown East mortgage loan
Real Estate Properties [Line Items]
Amortization		$ 1,900
Key Money | Frenchman's Reef & Morning Star Marriott Beach
Real Estate Properties [Line Items]
Amortization	$ 2,200		$ 2,600

X

- Definition

Number Of Franchised Hotels

+ References

No definition available.

+ Details

Name:	drh_NumberOfFranchisedHotels
Namespace Prefix:	drh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of Hotels, Earned Incentive Management Fees

+ References

No definition available.

+ Details

Name:	drh_NumberOfHotelsEarnedIncentiveManagementFees
Namespace Prefix:	drh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

+ Details

Name:	us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

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.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_CapitalizedContractCostAxis=drh_KeyMoneyIncentiveArrangementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_TheGwenChicagoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_CourtyardManhattanMidtownEastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_FrenchmansReefandMorningStarMarriottBeachMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: