TriVascular Merger (Pro-Forma Information) (Details) - TriVascular Technologies, Inc. - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2016
Business Acquisition [Line Items]
Combined net sales	$ 52,122	$ 148,133
Combined net loss from continuing operations	$ (14,129)	$ (124,859)
Combined basic and diluted net loss per share (in dollars per share)	$ (0.17)	$ (1.52)

Business Acquisition, Pro Forma Earnings Per Share, Basic and Diluted

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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