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v3.20.2

Equity - Schedule of Dividends Payable (Details) | Jan. 13, 2020 $ / shares
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Equity [Abstract] |
Dividends per share (in dollars per share) | $ 0.125

X
- 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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- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration