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Debt (Senior Unsecured Credit Facility) (Details) (USD $)
 3 Months Ended
Mar. 31, 2015
Hotel
Apr. 01, 2015
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 200,000,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity  
Increase in Credit Facility 400,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity  
Percent of Net Proceeds from Future Equity Issuances (as a percent) 75.00%drh_LineOfCreditFacilityCovenantPercentOfNetProceedsFromFutureEquityIssuances  
Minimum number of unencumbered borrowing base (in properties) 5drh_LineOfCreditFacilityCovenantMinimumNumberOfUnencumberedBorrowingBaseProperties  
Line of Credit Facility Minimum Unencumbered Borrowing Base Value 250,000,000drh_LineOfCreditFacilityCovenantMinimumUnencumberedBorrowingBaseValue  
Number of unencumbered borrowing base properties 5drh_LineofCreditFacilityNumberofUnencumberedBorrowingBaseProperties  
Unencumbered borrowing base value 335,000,000drh_LineofCreditFacilityUnencumberedBorrowingBaseValue  
Ratio of indebtedness 3.7drh_LineOfCreditFacilityLeverageRatio  
Interest and unused credit facility fees 200,000drh_LineOfCreditFacilityInterestAndCommitmentFeeAmount  
LIBOR [Member] | Senior unsecured credit facility [Member]    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember		  
Subsequent Event [Member]    
Line of Credit Facility [Line Items]    
Amount borrowed to repay mortgage debt   $ 45,000,000drh_AmountBorrowedUnderFacilitytoRepayMortgageDebt
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember