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: |