The Business, Basis of Presentation and Summary of Significant Accounting Policies - Intangibles (Details)	12 Months Ended
Dec. 31, 2017
Licenses
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	10 years
Weighted Average \| Patents
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	9 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Period Type:	duration