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Goodwill and Intangible Assets - Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross | $ 875,470 | $ 565,698
Impairment Charges | (1,511) | (1,511)
Accumulated Amortization | (307,982) | (244,025)
Foreign Currency Translation | (1,347) | (355)
Intangible assets, net | 564,630 | 319,807
Completed Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross | 446,431 | 172,431
Impairment Charges | (105) | (105)
Accumulated Amortization | (178,310) | (137,283)
Foreign Currency Translation | (208) | (73)
Intangible assets, net | 267,808 | 34,970
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross | 308,144 | 282,744
Impairment Charges | (1,406) | (1,406)
Accumulated Amortization | (84,167) | (63,788)
Foreign Currency Translation | (1,361) | (269)
Intangible assets, net | 221,210 | 217,281
Patents, Trademarks, Trade Names and Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross | 120,895 | 110,523
Accumulated Amortization | (45,505) | (42,954)
Foreign Currency Translation | 222 | (13)
Intangible assets, net | $ 75,612 | $ 67,556

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References No definition available. + Details
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