Discontinued Operations (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		0 Months Ended	6 Months Ended					6 Months Ended	0 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Aug. 15, 2011 agreement	Jun. 12, 2013 Comfort Inn Harrisburg, PA [Member]	Jun. 30, 2013 Non-core Hotel Properties [Member]	Feb. 23, 2012 Non-core Hotel Properties [Member] property	Aug. 15, 2011 Non-core Hotel Properties [Member] property	Feb. 23, 2012 Non-core Hotel Properties of Unconsolidated Joint Venture [Member] property	Aug. 15, 2011 Non-core Hotel Properties of Unconsolidated Joint Venture [Member] property	Jun. 30, 2013 Comfort Inn, North Dartmouth [Member]	Apr. 30, 2013 585 Eighth Avenue, New York, NY [Member]	May 22, 2013 Holiday Inn Express Camp Springs, MD [Member]	Jun. 30, 2013 Holiday Inn Express Camp Springs, MD [Member]
Assets Held for Sale [Abstract]
Number of purchase and sale agreements				2
Number of Real Estate Properties								18		4
Disposal of portfolio, aggregate purchase price								$ 155,000					$ 8,500
Number of hotel properties sold							14		3
Number of hotel properties held for sale							4		1
Net proceeds from sale of non-core hotel properties						155,000
Net proceeds from sale of hotel property					3,700							19,250
Reduction in mortgage debt resulting from sale of hotel properties sold						61,298
Gain on sale of hotel properties		1,950	5,066		1,043							5,170
Gain from transfer of title											1,216
Impairment of Discontinued Assets	$ 3,723		$ 3,723										$ 3,723	$ 3,723