Summary of Significant Accounting Policies (Details)	12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Bundled rental agreement, term (under)	7 years
Dividend yield (percent)	0.00%
Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	1 year
Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	7 years

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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