Sale of Hotel Properties (Narrative) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2016 USD ($) property	Mar. 31, 2015 USD ($) property
Discontinued Operations and Disposal Groups [Abstract]
Hotel properties disposed, Number \| property	1	20
Disposal of hotel properties	$ 2,850	$ 230,300
(Loss) gain on sale of hotel properties	$ (172)	$ 22,298

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2941-110230

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration