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Organization (Details)	9 Months Ended
	Sep. 30, 2021 hotel room	Dec. 31, 2020 hotel
Real Estate Properties [Line Items]
Number of hotels	31	30
Number of rooms in hotels, resorts and senior loan secured facility (in rooms) | room	9,133
Suspended Operations, COVID-19
Real Estate Properties [Line Items]
Number of hotels	4	20
DiamondRock Hospitality Limited Partnership
Real Estate Properties [Line Items]
General partner, ownership interest	99.70%
Limited partners, ownership interest	0.30%
Atlanta, Georgia
Real Estate Properties [Line Items]
Number of hotels	1
Boston, Massachusetts
Real Estate Properties [Line Items]
Number of hotels	2
Burlington, Vermont
Real Estate Properties [Line Items]
Number of hotels	1
Charleston, South Carolina
Real Estate Properties [Line Items]
Number of hotels	1
Chicago, Illinois
Real Estate Properties [Line Items]
Number of hotels	2
Denver, Colorado
Real Estate Properties [Line Items]
Number of hotels	2
Destin, Florida
Real Estate Properties [Line Items]
Number of hotels	1
Fort Lauderdale, Florida
Real Estate Properties [Line Items]
Number of hotels	1
Fort Worth, Texas
Real Estate Properties [Line Items]
Number of hotels	1
Huntington Beach, California
Real Estate Properties [Line Items]
Number of hotels	1
Key West, Florida
Real Estate Properties [Line Items]
Number of hotels	2
New Orleans, Louisiana
Real Estate Properties [Line Items]
Number of hotels	1
New York, New York
Real Estate Properties [Line Items]
Number of hotels	3
Phoenix, Arizona
Real Estate Properties [Line Items]
Number of hotels	1
Salt Lake City, Utah
Real Estate Properties [Line Items]
Number of hotels	1
San Diego, California
Real Estate Properties [Line Items]
Number of hotels	1
San Francisco, California
Real Estate Properties [Line Items]
Number of hotels	2
Sedona, Arizona
Real Estate Properties [Line Items]
Number of hotels	2
Sonoma, California
Real Estate Properties [Line Items]
Number of hotels	1
South Lake Tahoe, California
Real Estate Properties [Line Items]
Number of hotels	1
Washington D.C
Real Estate Properties [Line Items]
Number of hotels	2
Vail, Colorado
Real Estate Properties [Line Items]
Number of hotels	1

X

- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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