Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Hotel and other receivables, allowance	$ 182	$ 166
Preferred shares of beneficial interest, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred shares of beneficial interest, shares authorized	50,000,000	50,000,000
Preferred shares of beneficial interest, shares issued	0	0
Preferred shares of beneficial interest, shares outstanding	0	0
Common shares of beneficial interest, par value (in dollars per share)	$ 0.01	$ 0.01
Common shares of beneficial interest, shares authorized	450,000,000	450,000,000
Common shares of beneficial interest, shares issued	125,726,018	131,964,706
Common shares of beneficial interest, shares outstanding	125,726,018	131,964,706