Subsequent Events - Narrative (Details) - Envisia Therapeutics Inc. - Subsequent Event $ in Millions	Oct. 04, 2017 USD ($) shares
Subsequent Event [Line Items]
Cash consideration in business combination	$ 10.5
Shares issued under purchase agreement \| shares	263,146
Equity interests exchanged	$ 14.3

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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