Acquisition and Disposition of Hotel Properties (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Business acquisition, unaudited proforma information
Total revenues	$ 212,272	$ 208,893	$ 408,517	$ 392,420
Operating income (loss)	45,325	42,341	75,332	64,976
Net income (loss) attributable to common shareholders	$ 69,949	$ 26,072	$ 76,515	$ 32,509
Net income (loss) per share available to common shareholders - basic (usd per share)	$ 0.97	$ 0.36	$ 1.06	$ 0.45
Net income (loss) per share available to common shareholders — diluted (usd per share)	$ 0.96	$ 0.36	$ 1.05	$ 0.45

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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