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Organization (Details)	6 Months Ended
	Jun. 30, 2019 Hotel room
Real Estate Properties [Line Items]
Number of hotels (in hotels)	31
Number of rooms in hotels, resorts and senior loan secured facility (in rooms) | room	10,097
Atlanta, Georgia
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
Boston, Massachusetts
Real Estate Properties [Line Items]
Number of hotels (in hotels)	2
Burlington, Vermont
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
Charleston, South Carolina
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
Chicago, Illinois
Real Estate Properties [Line Items]
Number of hotels (in hotels)	2
Denver, Colorado
Real Estate Properties [Line Items]
Number of hotels (in hotels)	2
Fort Lauderdale, Florida
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
Fort Worth, Texas
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
Huntington Beach, California
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
Key West, Florida
Real Estate Properties [Line Items]
Number of hotels (in hotels)	2
New York, New York
Real Estate Properties [Line Items]
Number of hotels (in hotels)	4
Phoenix, Arizona
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
Salt Lake City, Utah
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
San Diego, California
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
San Francisco, California
Real Estate Properties [Line Items]
Number of hotels (in hotels)	2
Sedona, Arizona
Real Estate Properties [Line Items]
Number of hotels (in hotels)	2
Sonoma, California
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
South Lake Tahoe, California
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
Washington D.C
Real Estate Properties [Line Items]
Number of hotels (in hotels)	2
St. Thomas, U.S. Virgin Islands
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
Vail, Colorado
Real Estate Properties [Line Items]
Number of hotels (in hotels)	1
DiamondRock Hospitality Limited Partnership
Real Estate Properties [Line Items]
General partner, ownership interest	99.60%
Limited partners, ownership interest	0.40%

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).

+ References

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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