Organization - Narrative (Details)	12 Months Ended
	Dec. 31, 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	10,102
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
Sedona, Arizona
Real Estate Properties [Line Items]
Number of hotels (in hotels)	2
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
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]
Ownership interest	99.60%
Limited partner, ownership interest	0.40%