Goodwill, In-Process Research and Development and Intangible Assets - Schedule of Carrying Value of Company's Intellectual Property and Change in Balance (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Intangible Assets By Major Class [Line Items]
Beginning balance	$ 2,241
Ending balance	63,866
Intellectual Property [Member]
Intangible Assets By Major Class [Line Items]
Beginning balance	5,000
Additions	62,500
Foreign currency translation impact	(286)
Ending balance	67,214
Amortization of intellectual property	(3,348)
Total intellectual property	$ 63,866