Mergers and Acquisitions - Oxitec - Additional Information (Details) - Oxitec $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
Sep. 30, 2015 USD ($) shares	Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)
Business Acquisition [Line Items]
Percentage of outstanding common stock acquired	100.00%	100.00%	100.00%
Consideration transferred, shares issued or issuable \| shares	1,359,343
Cash	$ 90,199
Consideration transferred, cash and working capital adjustments	$ 9,449
Equity interest issued or issuable, number of shares withheld as escrow \| shares	480,422
Cash consideration withheld as escrow	$ 1,991
Consideration withheld as escrow, transfer period after closing	18 months
Consideration transferred	$ 146,394
Acquisition related costs	$ 1,675
Selling, general and administrative
Business Acquisition [Line Items]
Acquisition related costs		$ 1,644	$ 1,644

Number of shares of equity interests issued or issuable to acquire entity.

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-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
-Paragraph 1
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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of consideration transferred in a business combination related to cash and working capital adjustments.

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Number of shares of equity interests issued or issuable to acquire entity which were withheld as escrow.

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Portion of cash consideration in a business combination withheld as escrow.

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Period following the closing date of a business combination at which time consideration withheld as escrow is due to be paid by the entity.

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