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Intangible Assets and Liabilities - Intangible Assets Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Jan. 05, 2018
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Percentage of voting interests acquired |  | 100.00%
In process research and development completed | $ 11.3 |

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- Definition In process research and development completed + References No definition available. + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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