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Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($)
$ in Thousands
12 Months Ended
Feb. 06, 2019
Dec. 31, 2019
Dec. 31, 2018
Finite And Indefinite Lived Intangible Assets [Line Items]      
Cost   $ 105,566 $ 93,779
Accumulated amortization   (51,427) (41,882)
Patents and other intangible assets, net   $ 54,139 51,897
Weighted Average Amortization Period   9 years  
Patents [Member]      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Cost   $ 42,034 39,085
Accumulated amortization   $ (38,246) (35,016)
Weighted Average Amortization Period   10 years  
Developed Technology [Member]      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Cost   $ 39,200 12,400
Accumulated amortization   $ (4,523) (827)
Weighted Average Amortization Period 10 years 10 years  
Customer Relationships [Member]      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Cost   $ 7,430  
Accumulated amortization   $ (535)  
Weighted Average Amortization Period   9 years  
Licenses and Other [Member]      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Cost   $ 15,960 14,654
Accumulated amortization   $ (7,701) (5,744)
Weighted Average Amortization Period   7 years  
Trademarks-Finite Lived [Member]      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Cost   $ 942 840
Accumulated amortization   $ (422) (295)
Weighted Average Amortization Period   10 years  
IPR&D [Member]      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Cost     $ 26,800
Weighted Average Amortization Period   Indefinite