Summary of Significant Accounting Policies (Details 3) (USD $)	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		3 Months Ended		9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2013 item	Sep. 30, 2012	Sep. 30, 2013 item	Sep. 30, 2012	Dec. 31, 2012 item	Sep. 30, 2013 Continuing Operations Member	Sep. 30, 2012 Continuing Operations Member	Sep. 30, 2013 Continuing Operations Member	Sep. 30, 2012 Continuing Operations Member	Sep. 30, 2012 Discontinued Operations Member	Sep. 30, 2013 Discontinued Operations Member	Sep. 30, 2012 Discontinued Operations Member	Jun. 30, 2012 Renaissance Long Beach	Sep. 30, 2013 Hilton San Diego Bayfront mortgage Interest rate cap derivative agreement Boston Park Plaza	Sep. 30, 2013 Hilton San Diego Bayfront mortgage Interest rate cap derivative agreement Boston Park Plaza	Sep. 30, 2012 Senior unsecured revolving credit facility	Sep. 30, 2012 Senior unsecured revolving credit facility
Assets Held for Sale
Maximum time period for sale for classification of asset as held for sale			12 months
Number of hotels and/or other assets held for sale	0		0		4
Debt instrument
Payment of deferred financing fees			$ 243,000	$ 1,320,000										$ 200,000	$ 200,000	$ 1,300,000	$ 1,300,000
Amortization of deferred financing fees						736,000	922,000	2,219,000	2,804,000	20,000	2,000	67,000
Write-off of deferred financing fees									3,000	185,000		185,000	3,000
Total						736,000	922,000	2,219,000	2,807,000	205,000	2,000	252,000
Total amortization and write-off of deferred financing fees	$ 736,000	$ 1,127,000	$ 2,221,000	$ 3,059,000