Goodwill, In-Process Research and Development and Intellectual Property - Summary of Gross Intellectual Property, Accumulated Amortization, and Net Intellectual Property (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Developed Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 66,413	$ 66,413
Accumulated Amortization	(36,918)	(27,174)
Foreign currency translation impact	(1,208)	119
Net Carrying Amount	28,287	39,358
Technology and Patents Purchased
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	400	400
Accumulated Amortization	(112)	(72)
Foreign currency translation impact	21	30
Net Carrying Amount	309	358
Intellectual Property
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	66,813	66,813
Accumulated Amortization	(37,030)	(27,246)
Foreign currency translation impact	(1,187)	149
Net Carrying Amount	$ 28,596	$ 39,716