XML 85 R70.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Relationships with Managers - Narrative (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) hotel | Dec. 31, 2016 USD ($) hotel | Dec. 31, 2015 USD ($) hotel
Real Estate Properties [Line Items] |  |  |  |
Number of hotels that earned incentive management fees | hotel |  | 10 | 9 | 7
Amortization |  | $ 5,760 | $ 2,851 | $ 993
Number of franchised hotels | hotel |  | 13 |  |
Key Money |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Amortization |  | $ 5,800 | $ 2,900 | 1,000
Key Money | The Gwen Chicago |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Amortization |  |  |  | $ 3,000
Key Money | Courtyard Manhattan / Midtown East |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Amortization |  | 1,900 |  |
Key Money | Frenchman's Reef & Morning Star Marriott Beach |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Amortization |  | $ 2,600 |  |
Key Money | Frenchman's Reef & Morning Star Marriott Beach | Scenario, Forecast |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Amortization | $ 2,200 |  |  |

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 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
- Definition The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.3) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.4) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_RecognitionOfDeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DeferredRevenueArrangementTypeAxis=drh_KeyMoneyIncentiveArrangementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_CourtyardManhattanMidtownEastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=drh_FrenchmansReefandMorningStarMarriottBeachMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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