Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands			12 Months Ended
	Jul. 31, 2020	Feb. 06, 2019	Dec. 31, 2020	Dec. 31, 2019
Finite And Indefinite Lived Intangible Assets [Line Items]
Cost			$ 129,398	$ 105,566
Accumulated amortization			(68,881)	(51,427)
Intangible assets, net			$ 60,517	54,139
Weighted Average Amortization Period			9 years
Patents [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Cost			$ 50,326	42,034
Accumulated amortization			$ (46,272)	(38,246)
Weighted Average Amortization Period			10 years
Developed Technology [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Cost			$ 44,334	39,200
Accumulated amortization			$ (8,925)	(4,523)
Weighted Average Amortization Period		10 years	10 years
Customer Relationships [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Cost			$ 15,685	7,430
Accumulated amortization			$ (2,095)	(535)
Weighted Average Amortization Period	5 years		7 years
Licenses and Other [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Cost			$ 16,941	15,960
Accumulated amortization			$ (11,006)	(7,701)
Weighted Average Amortization Period			8 years
Trademarks-Finite Lived [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Cost			$ 1,812	942
Accumulated amortization			$ (583)	$ (422)
Weighted Average Amortization Period			10 years
In-process Research and Development ("IPR&D") [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Cost			$ 300
Weighted Average Amortization Period			Indefinite