Supplemental Information to Statements of Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Non Cash Investing and Financing Information [Line Items]
Interest paid, net of capitalized interest	$ 43,373	$ 44,184
Interest capitalized	0	1,247
Income taxes paid (refunded)	74	865
Non-Cash Investing and Financing Activities:
Convertible debt discount adjustment	113,099	0
Distributions payable on shares/units	11,040		$ 9,307
Accrued additions and improvements to hotel properties	292	4,405
Write-off of deferred financing costs	4,516	0
Common shares/units
Non-Cash Investing and Financing Activities:
Distributions payable on shares/units	1,527	1,750
Preferred shares
Non-Cash Investing and Financing Activities:
Distributions payable on shares/units	9,513	7,558
Board of Trustees Compensation
Non-Cash Investing and Financing Activities:
Issuance of shares/units	516	637
Executive and Employee Bonuses
Non-Cash Investing and Financing Activities:
Issuance of shares/units	$ 1,446	$ 0