Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Hotel and other receivables, allowance	$ 253	$ 292
Preferred Stock, Par or Stated Value 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	164,918,126	165,002,752
Common shares of beneficial interest, shares outstanding	164,918,126	165,002,752
Series A Cumulative Preferred Stock [Member]
Preferred Stock, Par or Stated Value 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