Supplemental Information to Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Dividends Payable [Line Items]
Interest Paid, Net of Capitalized Interest	$ 12,539	$ 11,162
Interest Paid, Capitalized	0	206
Income Taxes Paid	1,487	1,287
Distributions payable on shares/units	20,674
Issuance of common shares for board of trustees compensation	421	207
Mortgage loan assumed in connection with acquisition	0	66,732
Below (above) market rate contracts assumed in connection with acquisition	2,473	4,751
NonCash Acquisition, Capital Lease Obligation	10,758	0
Deposit Applied To Purchase Price Of Acquisition	0	4,000
Accrued additions and improvements to hotel properties	3,697	1,081
Common Shares [Member]
Dividends Payable [Line Items]
Distributions payable on shares/units	15,472	10,017
Preferred Shares [Member]
Dividends Payable [Line Items]
Distributions payable on shares/units	$ 5,202	$ 5,185