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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

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