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Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Feb. 06, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Weighted Average Amortization Period |  | 9 years |  |
Amortization of intangible assets |  | $ 11.2 | $ 7.0 | $ 2.7
Developed Technology [Member] |  |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |
Business acquisition, transfer from indefinite lived intangible assets to finite lived intangible assets | $ 26.8 |  |  |
Weighted Average Amortization Period | 10 years | 10 years |  |

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- Definition Business combination recognized identifiable assets acquired and liabilities assumed transfer from indefinite lived intangible assets to finite lived intangible assets. + References No definition available. + Details
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- Definition Finite and indefinite lived intangible assets. + References No definition available. + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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