Debt (Narrative) (Details) (USD $)	1 Months Ended	9 Months Ended					9 Months Ended		9 Months Ended		9 Months Ended			9 Months Ended		9 Months Ended		9 Months Ended
	Jan. 31, 2013	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Hampton Inn Boston Braintree	Dec. 31, 2012 Hampton Inn Boston Braintree	Sep. 30, 2013 Hilton Southeast Portfolio	Feb. 14, 2013 Hilton Southeast Portfolio	Sep. 30, 2013 Pittsburgh Shadyside	Dec. 31, 2012 Pittsburgh Shadyside	Sep. 30, 2013 Pittsburgh Shadyside Minimum	Sep. 30, 2013 Hutton Hotel Nashville	Dec. 31, 2012 Hutton Hotel Nashville	Sep. 30, 2013 Holiday Inn Manhattan 6th Avenue Chelsea	Dec. 31, 2012 Holiday Inn Manhattan 6th Avenue Chelsea	Sep. 30, 2013 Fairmont Sonoma Mission Inn and Spa	Dec. 31, 2012 Fairmont Sonoma Mission Inn and Spa	Sep. 30, 2013 Marriott Raleigh City Center	Dec. 31, 2012 Marriott Raleigh City Center	Sep. 30, 2013 Lake Arrowhead Resort Resort and Spa	Dec. 31, 2012 Lake Arrowhead Resort Resort and Spa
Mortgage debt
Carrying value of mortgage		$ 393,747,000		$ 88,762,000	$ 9,703,000	$ 8,487,000		$ 64,500,000	$ 19,975,000	$ 0		$ 44,000,000	$ 0	$ 80,000,000	$ 0	$ 44,000,000	$ 0	$ 51,500,000	$ 0	$ 17,843,000	$ 17,775,000
Effective Interest Rate					5.00%			4.10%	4.09%			5.25%		4.49%		4.13%		4.61%		4.34%
Debt instrument interest rate terms									The loan has an initial term of four years with a one-year extension option. The stated interest rate of one-month LIBOR with a floor of 0.5% plus 3.25% has effectively been fixed at approximately 4.1% through an interest rate swap agreement, maturing March 12, 2017.			The terms of the mortgage loan require monthly interest-only payments for 36 months, at which point the loan will amortize over a 30-year period with monthly principal and interest payments. The interest rate is fixed at 5.25% and the loan matures on July 1, 2020.		The terms of the mortgage loan require monthly interest-only payments for 24 months, at which point the loan will amortize over a 30-year period with monthly principal and interest payments. The interest rate is fixed at 4.49% and the loan matures on June 6, 2023.		The terms of the mortgage loan require monthly interest-only payments for 36 months, at which point the loan will amortize over a 40-year period with monthly interest and quarterly principal payments. The stated interest rate of one-month LIBOR plus 2.5% has effectively been fixed at approximately 4.1% through an interest rate swap agreement, maturing on July 10, 2018		The interest rate is fixed at 4.61% and the loan matures on September 1, 2038. The loan includes a call option by the lender, with the earliest such repayment date being September 1, 2018.
Debt instrument convenant compliance		Pursuant to our mortgage loan agreements, we and our wholly-owned subsidiaries are subject to various operational and financial covenants. At September 30, 2013, we were in compliance with the applicable covenants for each of our mortgage loans.
Debt instrument, basis spread on variable rate	2.00%								3.25%		0.50%					2.50%
Mortgage commitment					9,800,000				21,000,000
Deferred financing costs		3,363,000	689,000				900,000		200,000			300,000		1,100,000		500,000		400,000
Mortgage outstanding									19,100,000
Unfunded commitment					0				990,000					0		2,420,000		0		168,000
Debt scheduled to mature in 2015		$ 31,142,000			$ 9,500,000															$ 18,000,000