Goodwill and Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Intangible Assets [Line Items]
Gross Carrying Value	$ 340,282	$ 248,683
Gross Carrying Value	340,982	249,383
Accumulated Amortization	(53,882)	(36,831)
Accumulated Amortization	(53,882)	(36,831)
Net Carrying Value	286,400	211,852
Net Carrying Value	$ 287,100	$ 212,552
Weighted Average Useful Life (in years)	16 years	16 years
Trademark
Intangible Assets [Line Items]
Gross Carrying Value	$ 700	$ 700
Net Carrying Value	700	700
Technology—developed
Intangible Assets [Line Items]
Gross Carrying Value	114,217	82,169
Accumulated Amortization	(14,444)	(9,669)
Net Carrying Value	$ 99,773	$ 72,500
Weighted Average Useful Life (in years)	17 years	19 years
Patents
Intangible Assets [Line Items]
Gross Carrying Value	$ 240	$ 240
Accumulated Amortization	$ (240)	$ (240)
Weighted Average Useful Life (in years)	8 years	8 years
Customer relationships
Intangible Assets [Line Items]
Gross Carrying Value	$ 217,790	$ 160,825
Accumulated Amortization	(37,333)	(25,642)
Net Carrying Value	$ 180,457	$ 135,183
Weighted Average Useful Life (in years)	16 years	15 years
Trademark
Intangible Assets [Line Items]
Gross Carrying Value	$ 5,893	$ 3,752
Accumulated Amortization	(541)	(333)
Net Carrying Value	$ 5,352	$ 3,419
Weighted Average Useful Life (in years)	20 years	20 years
Other intangibles
Intangible Assets [Line Items]
Gross Carrying Value	$ 2,142	$ 1,697
Accumulated Amortization	(1,324)	(947)
Net Carrying Value	$ 818	$ 750
Weighted Average Useful Life (in years)	3 years	3 years