Investment In Hotel Properties (Real Estate Assets Sold) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (Loss) on Disposition	$ 115,839	$ 7,195
Cindat Hotel Portfolio (7) [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposition Date	Apr. 01, 2016
Consideration	$ 543,500
Gain (Loss) on Disposition	$ 89,892
Hyatt Place, King of Prussia, PA [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition Date	Aug. 01, 2010
Disposition Date	May 01, 2016
Consideration	$ 13,000
Gain (Loss) on Disposition	$ 5,375
Hawthorne Suites, Franklin, MA [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition Date	Apr. 01, 2006
Disposition Date	Sep. 01, 2016
Consideration	$ 8,900
Gain (Loss) on Disposition	$ (438)
Residence Inn, Framingham, MA [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition Date	Mar. 01, 2004
Disposition Date	Nov. 01, 2016
Consideration	$ 25,000
Gain (Loss) on Disposition	$ 11,467
Residence Inn, Norwood, MA [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition Date	Jul. 01, 2006
Disposition Date	Nov. 01, 2016
Consideration	$ 22,000
Gain (Loss) on Disposition	$ 9,543
Hotel 373-5th Ave, New York, NY [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition Date		Jun. 01, 2007
Disposition Date		Apr. 01, 2014
Consideration		$ 37,000
Gain (Loss) on Disposition		$ 7,195
Minimum [Member] | Cindat Hotel Portfolio (7) [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition Date	Apr. 01, 2005
Maximum [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition Date	Mar. 01, 2011