Supplemental Information to Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Dividends Payable [Line Items]
Interest Paid, Net of Capitalized Interest	$ 17,242	$ 9,438
Interest Paid, Capitalized	206	0
Income Taxes Paid	1,420	1,329
Distributions payable on shares/units	15,271
Issuance of common shares for board of trustees compensation	207	199
Mortgage loan assumed in connection with acquisition	90,448	0
Above market rate contracts assumed in connection with acquisition	5,146	0
Deposit Applied To Purchase Price Of Acquisition	4,000	0
Accrued additions and improvements to hotel properties	1,308	537
Common Shares [Member]
Dividends Payable [Line Items]
Distributions payable on shares/units	10,068	7,396
Preferred Shares [Member]
Dividends Payable [Line Items]
Distributions payable on shares/units	$ 5,203	$ 3,813