Acquisition and Disposition of Hotel Properties (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Business acquisition, unaudited proforma information
Total revenues	$ 208,963	$ 216,321	$ 617,480	$ 608,741
Operating income (loss)	35,343	47,763	110,675	112,763
Net income (loss) attributable to common shareholders	$ (43,897)	$ 31,631	$ 32,618	$ 63,584
Net income (loss) per share available to common shareholders - basic (usd per share)	$ (0.61)	$ 0.44	$ 0.45	$ 0.88
Net income (loss) per share available to common shareholders — diluted (usd per share)	$ (0.61)	$ 0.43	$ 0.45	$ 0.87

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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