Revenue (Details) - Hotel - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Abstract]
Revenue from Hotels		$ 205,480	$ 201,793	$ 593,036	$ 589,688
San Francisco, CA
Disaggregation of Revenue [Abstract]
Revenue from Hotels		53,734	49,973	146,467	134,623
Los Angeles, CA
Disaggregation of Revenue [Abstract]
Revenue from Hotels		32,759	34,983	95,224	97,482
San Diego, CA
Disaggregation of Revenue [Abstract]
Revenue from Hotels		18,010	18,478	52,134	54,412
Boston, MA
Disaggregation of Revenue [Abstract]
Revenue from Hotels		21,522	20,689	55,610	55,633
Seattle, WA
Disaggregation of Revenue [Abstract]
Revenue from Hotels		10,202	9,927	25,727	24,510
Portland, OR
Disaggregation of Revenue [Abstract]
Revenue from Hotels		29,882	30,481	74,787	75,777
Other
Disaggregation of Revenue [Abstract]
Revenue from Hotels	[1]	$ 39,371	$ 37,262	$ 143,087	$ 147,251

[1] Other includes: Atlanta (Buckhead), GA, Coral Gables, FL, Minneapolis, MN, Naples, FL, Nashville, TN, Philadelphia, PA, Washington, DC, and New York City, NY.