Impairment Losses (Schedule of Disclosure of Long Lived Assets Held-for-sale) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Long Lived Assets Held-for-sale [Line Items]
Number Of Hotels In Discontinued Operations With Net Impairment	$ 13	$ 19	$ 22
Net Impairment Loss on Hotels In Discontinued Operations	(1,652,000)	(4,648,000)	(10,075,000)
Continuing Operations Held For Sale Hotels [Member]
Long Lived Assets Held-for-sale [Line Items]
Number of hotels with impairment loss	2	1	1
Impairment loss	(1,388,000)	(200,000)	(363,000)
Number Of Hotels With Recovery Of Impairment	0	0	0
Recovery of Impairment	0	0	0
Number of Hotels With Net Impairment	2	1	1
Net Impairment Loss	(1,388,000)	(200,000)	(363,000)
Discontinued Operations Held For Sale Hotels [Member]
Long Lived Assets Held-for-sale [Line Items]
Number of hotels with impairment loss	3	2	0
Impairment loss	(1,824,000)	(1,520,000)	0
Number Of Hotels With Recovery Of Impairment	1	0	0
Recovery of Impairment	390,000	0	0
Number of Hotels With Net Impairment	4	2	0
Net Impairment Loss	(1,434,000)	(1,520,000)	0
Discontinued Operations Sold Hotels [Member]
Long Lived Assets Held-for-sale [Line Items]
Number of hotels with impairment loss	5	12	20
Impairment loss	(626,000)	(3,299,000)	(10,149,000)
Number Of Hotels With Recovery Of Impairment	4	5	2
Recovery of Impairment	408,000	171,000	74,000
Number of Hotels With Net Impairment	9	17	22
Net Impairment Loss	$ (218,000)	$ (3,128,000)	$ (10,075,000)