Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Hotel and other receivables, allowance	$ 577	$ 510
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
Preferred Stock, Liquidation Preference, Value	$ 328,266	$ 328,266
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	175,205,952	174,869,046
Common shares of beneficial interest, shares outstanding	175,205,952	174,869,046
Limited Liability Company (LLC) Preferred Unit, Liquidation Value	$ 45,458	$ 45,430
Series A Cumulative Preferred Stock [Member]
Preferred shares of beneficial interest, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred shares of beneficial interest, shares authorized	12,950,000	12,950,000
Preferred shares of beneficial interest, shares issued	12,879,475	12,879,475
Preferred shares of beneficial interest, shares outstanding	12,879,475	12,879,475