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v3.19.3

Equity - Schedule of Dividends Payable (Details) - $ / shares | Oct. 11, 2019 | Jul. 12, 2019 | Apr. 12, 2019 | Jan. 14, 2019
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Subsequent Event [Line Items] |  |  |  |
Dividends per Share (in dollars per share) |  | $ 0.125 | $ 0.125 | $ 0.125
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Dividends per Share (in dollars per share) | $ 0.125 |  |  |

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- Definition Common Stock, Dividends, Per Share, Cash Paid And Distribution Per Unit Of Limited Partner Interest + References No definition available. + Details
Name: | drh_CommonStockDividendsPerShareCashPaidAndDistributionPerUnitOfLimitedPartnerInterest
Namespace Prefix: | drh_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |