XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Debt - Unsecured Term Loan (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($)
Line Of Credit Facility Covenant Actual Results |  |
Debt Instrument [Line Items] |  |
Maximum leverage ratio (as a percent) | 0.282 |
Unsecured Term Loan | Less than or equal to 35% | Maximum |  |
Debt Instrument [Line Items] |  |
Ratio of net indebtedness to EBITDA | 0.35 |
Unsecured Term Loan | Greater than 35% but less than or equal to 45% | Minimum |  |
Debt Instrument [Line Items] |  |
Ratio of net indebtedness to EBITDA | 0.35 |
Unsecured Term Loan | Greater than 35% but less than or equal to 45% | Maximum |  |
Debt Instrument [Line Items] |  |
Ratio of net indebtedness to EBITDA | 0.45 |
Unsecured Term Loan | Greater than 45% but less than or equal to 50% | Minimum |  |
Debt Instrument [Line Items] |  |
Ratio of net indebtedness to EBITDA | 0.45 |
Unsecured Term Loan | Greater than 45% but less than or equal to 50% | Maximum |  |
Debt Instrument [Line Items] |  |
Ratio of net indebtedness to EBITDA | 0.5 |
Unsecured Term Loan | Greater than 50% but less than or equal to 55% | Minimum |  |
Debt Instrument [Line Items] |  |
Ratio of net indebtedness to EBITDA | 0.5 |
Unsecured Term Loan | Greater than 50% but less than or equal to 55% | Maximum |  |
Debt Instrument [Line Items] |  |
Ratio of net indebtedness to EBITDA | 0.55 |
Unsecured Term Loan | Greater than 55% | Minimum |  |
Debt Instrument [Line Items] |  |
Ratio of net indebtedness to EBITDA | 0.55 |
Unsecured Term Loan Due May 2021 | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.45% |
Unsecured Term Loan Due April 2022 | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.45% |
Term loan | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.45% |
Interest incurred on the facility | $ 2.3 | $ 0.6
Term loan | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.45% |
Term loan | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 2.00% |
Term loan | LIBOR | Less than or equal to 35% |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.45% |
Term loan | LIBOR | Greater than 35% but less than or equal to 45% |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.60% |
Term loan | LIBOR | Greater than 45% but less than or equal to 50% |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.75% |
Term loan | LIBOR | Greater than 50% but less than or equal to 55% |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 1.95% |
Term loan | LIBOR | Greater than 55% |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 2.20% |
Term loan | Unsecured Term Loan Due May 2021 |  |
Debt Instrument [Line Items] |  |
Debt instrument, term (in years) | 5 years |

X
- Definition Line of credit facility maximum leverage ratio + References No definition available. + Details
Name: | drh_LineOfCreditFacilityMaximumLeverageRatio
Namespace Prefix: | drh_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio Of Net Indebtedness to Ebitda + References No definition available. + Details
Name: | drh_RatioOfNetIndebtednessToEbitda
Namespace Prefix: | drh_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total interest costs incurred during the period and either capitalized or charged against earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
Name: | us-gaap_InterestCostsIncurred
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | drh_LineOfCreditFacilityCovenantAxis=drh_LineOfCreditFacilityCovenantActualResultsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=drh_UnsecuredTermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | drh_LineOfCreditFacilityLeverageRangeAxis=drh_LeverageRangeOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | drh_LineOfCreditFacilityLeverageRangeAxis=drh_LeverageRangeTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | drh_LineOfCreditFacilityLeverageRangeAxis=drh_LeverageRangeThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | drh_LineOfCreditFacilityLeverageRangeAxis=drh_LeverageRangeFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | drh_LineOfCreditFacilityLeverageRangeAxis=drh_LeverageRangeFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=drh_UnsecuredTermLoanDueMay2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=drh_UnsecuredTermLoanDueApril2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_MediumTermNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |