The amount of noncontrolling interest in subsidiary represented by preferred securities issued by the subsidiary.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.31)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 27
-Article 5

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Summary of Significant Accounting Policies (Details 5) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Furniture, fixtures and equipment \| Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Furniture, fixtures and equipment \| Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	12 years
Hilton San Diego Bayfront
Property, Plant and Equipment [Line Items]
Noncontrolling interest percentage in Hilton San Diego Bayfront	25.00%	25.00%	25.00%
Doubletree Guest Suites Times Square
Property, Plant and Equipment [Line Items]
Preferred equity interest in Doubletree Guest Suites Times Square captive REIT		$ 0.1	$ 0.1