Acquisitions and Dispositions- Acquisitions (Details)	Mar. 20, 2016 $ / shares shares
Business Acquisition [Line Items]
Common stock, par value (in USD per share)	$ 0.01
Starwood Hotels & Resorts Worldwide, Inc.
Business Acquisition [Line Items]
Proposed payments to acquire businesses (in USD per share)	$ 21.00
Common Stock \| Starwood Hotels & Resorts Worldwide, Inc.
Business Acquisition [Line Items]
Equity interests issuable per share owned by acquiree \| shares	0.80

Face amount or stated value per share of common stock.

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 210.5-02.29)
-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 30
-Article 5

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Balance Type:	na
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