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Acquisition-Related Amortization and Remeasurement - Components of Acquisition-Related Amortization and Remeasurement (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Acquisition Related Amortization And Remeasurement [Abstract] |  |
Changes in fair value of contingent consideration | $ 29,140 | $ 3,069
Amortization of acquired intangibles | 5,072 | 1,255
Total | $ 34,212 | $ 4,324

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- Definition Acquisition-related amortization and remeasurement. + References No definition available. + Details
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- Definition Amortization expense related to intangible assets acquired through business combinations or asset acquisitions. + References No definition available. + Details
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- Definition Business combination acquisition-related amortization and remeasurement. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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