Summary of Significant Accounting Policies (Details 2) (USD $)	1 Months Ended	12 Months Ended																				12 Months Ended				12 Months Ended
	Jun. 30, 2010	Dec. 31, 2011 Y	Dec. 31, 2010	Dec. 31, 2009 Hotel	Dec. 31, 2010 Office building and land adjacent to one of the hotels	Dec. 31, 2009 Hotel properties	Dec. 31, 2009 Deferred costs associated with a potential time share development	Dec. 31, 2009 Parcel of Land Sold	Dec. 31, 2011 Contractual advance hotel bookings	Dec. 31, 2011 Easement agreements	Dec. 31, 2010 Easement agreements	Dec. 31, 2009 Easement agreements	Dec. 31, 2011 Ground/air lease agreements Y	Dec. 31, 2010 Ground/air lease agreements	Dec. 31, 2009 Ground/air lease agreements	Dec. 31, 2011 In-place lease agreements Y	Dec. 31, 2011 Franchise fees Y	Dec. 31, 2011 Buildings and improvements Y	Dec. 31, 2011 Furniture, fixtures and equipment Y	Dec. 31, 2011 Doubletree Guest Suites Times Square	Jan. 31, 2011 Doubletree Guest Suites Times Square	Dec. 31, 2011 BuyEfficient, LLC Y	Jan. 31, 2011 BuyEfficient, LLC	Dec. 31, 2011 Entity that owns the Hilton San Diego Bayfront	Apr. 30, 2011 Entity that owns the Hilton San Diego Bayfront	Dec. 31, 2009 Marriott Del Mar	Dec. 31, 2011 Marriott Del Mar Easement agreements Y
Investments in Hotel Properties and Other Real Estate
Ownership interest acquired (as a percent)																				62.00%	62.00%		50.00%	75.00%	75.00%
Estimated useful life, low end of range (in years)		3																5	3
Estimated useful life, high end of range (in years)		12																35	12
Intangible assets, gross		$ 164,961,000	$ 34,081,000						$ 26,110,000	$ 12,421,000	$ 12,421,000		$ 121,850,000	$ 21,660,000		$ 4,580,000						$ 9,000,000
Accumulated amortization		(15,719,000)	(1,425,000)																			(600,000)
Intangible assets, net		149,242,000	32,656,000
Amortization expense on intangible assets		14,294,000	281,000	292,000					9,988,000	29,000	26,000	37,000	3,978,000	255,000	255,000	299,000						600,000
Remaining non-cancelable term (in years)																											87
Estimated useful life of intangible assets low end of range (in years)													25			7	6					7
Estimated useful life of intangible assets, high end of range (in years)													79			16	20					20
Future amortization expense on intangible assets in 2012		17,300,000
Future amortization expense on intangible assets in 2013		7,800,000
Future amortization expense on intangible assets in 2014 through 2016		4,500,000
Impairments on real estate, including discontinued operations						217,700,000
Impairment loss	$ 1,900,000	$ 10,862,000	$ 1,943,000	$ 30,852,000	$ 1,900,000		$ 1,400,000	$ 100,000																		$ 25,400,000
Number of hotels impaired				11