Supplemental Information to Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Non Cash Investing and Financing Information [Line Items]
Interest paid, net of capitalized interest	$ 84,453	$ 90,655	$ 91,918
Interest capitalized	1,391	1,247	347
Income taxes paid (refunded)	(258)	3,469	4,568
Non-Cash Investing and Financing Activities:
Convertible debt discount adjustment	113,099	0	0
Distributions payable on shares/units	11,756	9,307
Issuance of common shares for LTIP units redemption	0	2,831	0
Accrued additions and improvements to hotel properties	3,110	9,164	3,192
Right of use assets obtained in exchange for lease liabilities	65,599	0	257,167
Purchase of ground lease	0	0	16,604
Write-off of fully depreciated building, furniture, fixtures and equipment	0	0	28,120
Write-off of deferred financing costs	6,574	1,979	3,013
Mortgage loans assumed in connection with acquisition of hotel properties	223,177	0	0
Below (above) market contracts assumed in connection with acquisition of hotel properties	3,071	0	0
Common shares/units
Non-Cash Investing and Financing Activities:
Distributions payable on shares/units	1,537	1,749	51,006
Preferred shares
Non-Cash Investing and Financing Activities:
Distributions payable on shares/units	10,219	7,558	7,558
Board of Trustees Compensation
Non-Cash Investing and Financing Activities:
Issuance of shares/units	516	637	740
Executive and Employee Bonuses
Non-Cash Investing and Financing Activities:
Issuance of shares/units	$ 1,446	$ 0	$ 0