Sale of Hotel Properties - Schedule of Properties Disposed (Details)	3 Months Ended	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2018 USD ($) property	Dec. 31, 2017 USD ($) property hotel	Aug. 31, 2017 USD ($) property room	Dec. 31, 2018 USD ($) property Hotels	Dec. 31, 2016 USD ($) property room	Dec. 31, 2018 hotel	Dec. 31, 2018 room	Oct. 15, 2018 room	Sep. 27, 2018 room	Aug. 28, 2018 room	Jul. 13, 2018 room	Mar. 27, 2018 room	Feb. 21, 2018 room	Dec. 14, 2017 room	Aug. 01, 2017 room	Jul. 17, 2017 room	Sep. 01, 2016 room	Aug. 02, 2016 room
Discontinued operations
Proceeds from Sale of Real Estate			$ 92,000,000		$ 107,500,000
Gain (Loss) on Sale of Properties			(1,600,000)		7,500,000
Revenues			14,159,000		70,181,000
Cost of Goods and Services Sold			$ (53,930,000)		$ (94,632,000)
Number of Real Estate Properties | property	30			30
Disposal Group, Number of Properties Disposed During Period			2	6	2
Impairment loss			$ 35,100,000	$ 0	$ 26,500,000
Operating Income (Loss)			(39,771,000)		(24,451,000)
Interest Income (Expense), Net			0		1,000
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax			(39,771,000)		(24,450,000)
Gain (Loss) on Disposition of Property Plant Equipment			(1,764,000)		6,322,000
Profit (Loss) from Real Estate Operations			(41,535,000)		(18,128,000)
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest			179,000		78,000
Net Income (Loss) attributable to Parent			$ (41,356,000)		$ (18,050,000)
2017 Disposals
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room			285
Fairmont Copley Plaza
Discontinued operations
Proceeds from Sale of Real Estate		$ 170,000,000
Gain (Loss) on Sale of Properties		(6,600,000)
Gain (Loss) on Termination of Lease		$ (7,700,000)
Number of Real Estate Properties | property		1
Disposal Group, Property Disposed During Period, Number of Rooms | room														383
Morgans New York [Member]
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room																117
Royalton New York
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room															168
2016 Disposals
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room					943
Renaissance Esmeralda Indian Wells Resort & Spa
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room																		560
Holiday Inn Nashville Airport
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room																	383
Disposals 2018 [Member]
Discontinued operations
Proceeds from Sale of Real Estate				516,500,000
Gain (Loss) on Sale of Properties				18,300,000
Gain (Loss) on Termination of Lease				$ (9,800,000)
Disposal Group, Property Disposed During Period, Number of Rooms | room							2,054
Embassy Suites Boston Marlborough [Member]
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room													229
Sheraton Philadelphia Society Hill Hotel [Member]
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room												364
Embassy Suites Napa Valley [Member]
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room											205
Vinoy Renaissance St. Petersburg Resort & Golf Club [Member]
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room										362
Sheraton Burlington Hotel & Conference Center [Member]
Discontinued operations
Disposal Group, Property Disposed During Period, Number of Rooms | room									309
Holiday Inn San Francisco Fisherman's Wharf [Member]
Discontinued operations
Proceeds from Sale of Real Estate	$ 75,300,000
Gain (Loss) on Sale of Properties	$ (30,400,000)
Disposal Group, Property Disposed During Period, Number of Rooms | room								585
Unconsolidated Properties
Discontinued operations
Number of Real Estate Properties	2	2		2		2