Interest Rate Derivative Agreements (Details) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended				9 Months Ended	1 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Doubletree Guest Suites Times Square Mortgage Payable	Dec. 31, 2012 Doubletree Guest Suites Times Square Mortgage Payable	Sep. 30, 2013 Entity that owns the Hilton San Diego Bayfront Mortgage Payable	Dec. 31, 2012 Entity that owns the Hilton San Diego Bayfront Mortgage Payable	Sep. 30, 2013 JW Marriott New Orleans Mortgage Payable	Sep. 30, 2013 Derivative agreements qualifying as a hedge of interest rates item	Sep. 30, 2013 Interest Rate Cap Agreement item	Dec. 31, 2012 Interest Rate Cap Agreement item	Sep. 30, 2013 Interest Rate Cap Agreement Doubletree Guest Suites Times Square Mortgage Payable	Apr. 30, 2013 Interest Rate Cap Agreement Entity that owns the Hilton San Diego Bayfront Mortgage Payable	Sep. 30, 2013 Interest Rate Cap Agreement Entity that owns the Hilton San Diego Bayfront Mortgage Payable	Dec. 31, 2012 Interest Rate Cap Agreement Entity that owns the Hilton San Diego Bayfront Mortgage Payable	Sep. 30, 2013 Interest Rate Swap Agreement item	Dec. 31, 2012 Interest Rate Swap Agreement item	Sep. 30, 2013 Interest Rate Swap Agreement JW Marriott New Orleans Mortgage Payable
Interest Rate Derivative Agreements
Number of derivative agreements that qualify for effective hedge accounting treatment											0
Number of derivative agreements												2	2
Number of derivative agreements																		1	1
Interest rate, description of reference rate						3-Month LIBOR	3-Month LIBOR	3-Month LIBOR	3-Month LIBOR	LIBOR				3-Month LIBOR		3-Month LIBOR
Interest rate added to base rate (as a percent)						3.25%	3.25%	3.25%	3.25%
Strike rate under interest rate cap agreement														4.00%		3.75%
Fixed rate under interest rate swap agreement										5.45%
Fair values of derivative agreements																		$ 1,200,000	$ 1,600,000
Fair values of derivative assets	49,000		49,000		48,000							49,000	48,000
Notional amount														180,000,000		117,000,000	120,000,000			40,000,000
Cost of new interest rate cap agreement			12,000												12,000
Net gain/loss due to changes in the fair value of the company's derivative agreements	$ 12,000	$ (100,000)	$ 429,000	$ (595,000)