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Acquisitions (Details) (USD $)	3 Months Ended								12 Months Ended			0 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Aug. 15, 2014	Aug. 29, 2014	Dec. 03, 2014	Feb. 06, 2015
Business Acquisition [Line Items]
Gain on purchase upon acquisition									$ 23,894,000us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount	$ 0us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount	$ 0us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
Revenues	223,627,000us-gaap_RevenueFromLeasedAndOwnedHotels	229,217,000us-gaap_RevenueFromLeasedAndOwnedHotels	229,934,000us-gaap_RevenueFromLeasedAndOwnedHotels	190,084,000us-gaap_RevenueFromLeasedAndOwnedHotels	201,467,000us-gaap_RevenueFromLeasedAndOwnedHotels	204,345,000us-gaap_RevenueFromLeasedAndOwnedHotels	218,013,000us-gaap_RevenueFromLeasedAndOwnedHotels	175,863,000us-gaap_RevenueFromLeasedAndOwnedHotels	872,862,000us-gaap_RevenueFromLeasedAndOwnedHotels	799,688,000us-gaap_RevenueFromLeasedAndOwnedHotels	726,887,000us-gaap_RevenueFromLeasedAndOwnedHotels
Net income (loss)	63,616,000us-gaap_NetIncomeLoss	43,808,000us-gaap_NetIncomeLoss	51,916,000us-gaap_NetIncomeLoss	4,037,000us-gaap_NetIncomeLoss	29,555,000us-gaap_NetIncomeLoss	8,564,000us-gaap_NetIncomeLoss	15,072,000us-gaap_NetIncomeLoss	(4,126,000)us-gaap_NetIncomeLoss	163,377,000us-gaap_NetIncomeLoss	49,065,000us-gaap_NetIncomeLoss	(16,592,000)us-gaap_NetIncomeLoss
Inn At Key West [Member]
Business Acquisition [Line Items]
Number of rooms acquired												106drh_BusinessAcquisitionNumberOfRoomsAcquired / us-gaap_BusinessAcquisitionAxis = drh_InnAtKeyWestMember
Contractual purchase price												47,500,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = drh_InnAtKeyWestMember
Hilton Garden Inn Times Square Central [Member]
Business Acquisition [Line Items]
Number of rooms acquired													282drh_BusinessAcquisitionNumberOfRoomsAcquired / us-gaap_BusinessAcquisitionAxis = drh_HiltonGardenInnTimesSquareCentralMember
Contractual purchase price													127,200,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = drh_HiltonGardenInnTimesSquareCentralMember
Previously funded total purchase deposits													26,900,000drh_BusinessCombinationConsiderationTransferredDepositsMadePriortoAcquisition / us-gaap_BusinessAcquisitionAxis = drh_HiltonGardenInnTimesSquareCentralMember
Gain on purchase upon acquisition													23,900,000us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount / us-gaap_BusinessAcquisitionAxis = drh_HiltonGardenInnTimesSquareCentralMember
Westin Fort Lauderdale Beach Resort [Member]
Business Acquisition [Line Items]
Number of rooms acquired														432drh_BusinessAcquisitionNumberOfRoomsAcquired / us-gaap_BusinessAcquisitionAxis = drh_WestinFortLauderdaleBeachResortMember
Contractual purchase price														149,000,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = drh_WestinFortLauderdaleBeachResortMember
Hotels Acquired in 2014 [Member]
Business Acquisition [Line Items]
Revenues									15,200,000us-gaap_RevenueFromLeasedAndOwnedHotels / us-gaap_BusinessAcquisitionAxis = drh_HotelsAcquiredin2014Member
Net income (loss)									4,500,000us-gaap_NetIncomeLoss / us-gaap_BusinessAcquisitionAxis = drh_HotelsAcquiredin2014Member
Remington Hotels [Member] | Inn At Key West [Member]
Business Acquisition [Line Items]
Management Agreement Term												10 years
HEI Hotels and Resorts [Member] | Westin Fort Lauderdale Beach Resort [Member]
Business Acquisition [Line Items]
Management Agreement Term														10 years
Starwood [Member] | Westin Fort Lauderdale Beach Resort [Member]
Business Acquisition [Line Items]
Management Agreement Term														20 years
Subsequent Event [Member] | Shorebreak Hotel [Member]
Business Acquisition [Line Items]
Number of rooms acquired															157drh_BusinessAcquisitionNumberOfRoomsAcquired / us-gaap_BusinessAcquisitionAxis = drh_ShorebreakHotelMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Contractual purchase price															$ 58,500,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = drh_ShorebreakHotelMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Subsequent Event [Member] | Kimpton Hotels [Member] | Shorebreak Hotel [Member]
Business Acquisition [Line Items]
Management Agreement Term															10 years

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