Share Based Payments (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 1,595	$ 1,992	$ 4,156	$ 6,819
Unearned Compensation	1,336		1,336		1,305
Shares Vested (in shares)	1,063,202		1,063,202		951,214
Annual LTIP Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	942	682	1,921	2,333
2014 Multi Year LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Terms of Share-based payment awards			On April 11, 2014, the Compensation Committee approved the 2014 Multi-Year LTIP. The common shares issuable under this program are based on the Company's achievement of a certain level of (1) absolute total shareholder return (37.50% of the award), (2) relative total shareholder return as compared to the Company's peer group (37.50% of the award), and (3) relative growth in revenue per available room compared to the Company's peer group (25% of the award). This program has a three-year performance period which commenced on January 1, 2014 and ends December 31, 2016. As of September 30, 2014 no common shares have been issued in accordance with the 2014 Plan to the executive officers in settlement of 2014 Multi-Year LTIP awards.
Performance period			3 years
Shareholders return as percentage of award for achievement level one (in hundredths)	37.50%		37.50%
Shareholders return as percentage of award for achievement level two (in hundredths)	37.50%		37.50%
Shareholders return as percentage of award for achievement level three (in hundredths)	25.00%		25.00%
2013 Multi Year LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Terms of Share-based payment awards			On April 15, 2013, the Compensation Committee approved the 2013 Multi-Year LTIP. The common shares issuable under this program are based on the Company's achievement of a certain level of (1) absolute total shareholder return (50% of the award), (2) relative total shareholder return as compared to the Company's peer group (25% of the award), and (3) relative growth in revenue per available room compared to the Company's peer group (25% of the award). This program has a three-year performance period which commenced on January 1, 2013 and ends December 31, 2015. As of September 30, 2014 no common shares have been issued in accordance with the 2013 Plan to the executive officers in settlement of 2013 Multi-Year LTIP awards.
Performance period			3 years
Shareholders return as percentage of award for achievement level one (in hundredths)	50.00%		50.00%
Shareholders return as percentage of award for achievement level two (in hundredths)	25.00%		25.00%
Shareholders return as percentage of award for achievement level three (in hundredths)	25.00%		25.00%
Multi-Year LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	167	894	431	2,587
Unearned Compensation	1,788		1,788		1,157
Multi-Year LTIP [Member] | Annual Retainer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense		40	165	120
Restricted Common Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	393	341	1,113	1,270
Restricted Share Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	3,425		3,425		4,102
Shares Issued (in shares)			1,225,713
Shares Vested (in shares)	91,285		91,285		32,399
Restricted Share Awards [Member] | Issued 06-23-2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation	24		24
Shares Issued (in shares)			4,411
Share Price on date of grant (in dollars per share)			$ 6.500
Unvested Share Awards [Abstract]
Vesting Period			2 years
Vesting Schedule (in hundredths)			50.00%
Multi-year LTIP Trustee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	15	14	45	42
Unearned Compensation	80		80		124
Shares Vested (in shares)	11,202		11,202		11,202
Percentage premium on retainer equity option (in hundredths)	25.00%		25.00%
Multi-year LTIP Trustee [Member] | Annual Retainer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	55
Board Of Trustees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	309		314
Board Of Trustees [Member] | Issued 06-23-2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Issued (in shares)			47,475
Non-employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	23	21	172	153
Unearned Compensation	$ 83		$ 83		$ 81
Shares Issued (in shares)			60,000
Shares Vested (in shares)	45,000		45,000		14,999