Investment in Hotels (Details)	12 Months Ended
	Dec. 31, 2016 USD ($) Hotels	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) Hotels
Property, Plant and Equipment [Line Items]
Number of Real Estate Properties | Hotels	1		13
Purchase of land	$ 8,226,000	$ 0	$ 0
Investment in hotels, gross	2,499,709,000	2,629,106,000
Investment in hotels, net	1,566,823,000	1,729,531,000
Improvements and additions to hotels	74,264,000	48,436,000	$ 83,664,000
Building and improvements
Property, Plant and Equipment [Line Items]
Investment in hotels, gross	1,761,228,000	1,859,100,000
Accumulated depreciation - Building and improvements	(716,376,000)	(697,386,000)
Fully Depreciated Assets Retired	763,000
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Investment in hotels, gross	426,692,000	449,437,000
Accumulated depreciation - Building and improvements	(216,510,000)	(202,189,000)
Fully Depreciated Assets Retired	35,000,000
Land
Property, Plant and Equipment [Line Items]
Investment in hotels, gross	271,662,000	294,384,000
Construction in progress
Property, Plant and Equipment [Line Items]
Investment in hotels, gross	$ 40,127,000	$ 26,185,000